Key Features
Built for 6-Inch DiscsThe Festool 576785 Systainer3 SYS-STF D150 is made to store 150 mm, or 6-inch, abrasives in one dedicated case. That means less digging through loose discs and faster grit changes at the bench or on site. 8 Organized CompartmentsEight compartments keep sanding discs sorted and protected from shop moisture and jobsite mess. It is a simple way to separate grits, keep track of used discs, and cut down waste. T-LOC System AccessThe T-LOC closure lets you open, close, and connect the case with one turn. That matters when this Systainer is stacked with other Festool storage and you still need quick access to your abrasives.
Overview
The Festool 576785 Systainer3 SYS-STF D150 Abrasive Systainer is a dedicated abrasive storage case for 150 mm and 6-inch sanding discs. This is a Systainer storage case designed for organizing sanding abrasives. Model number 576785. It is built for woodworkers, finish carpenters, cabinet installers, and serious DIY users who want their sanding setup sorted, protected, and ready to move from shop to jobsite without wasting time.
What makes this case useful is not just that it stores discs, but that it stores them in a way that helps you work faster. Festool designed the insert specifically for 6-inch abrasives, so instead of stacking mixed grits in random boxes or leaving half-used discs loose in a drawer, you can keep them separated, visible, and easy to grab. When you are moving between sanding steps, that kind of organization speeds up abrasive changes and helps reduce unnecessary disc consumption.
The SYS-STF D150 uses the Systainer3 platform with Festool’s T-LOC center latch. In plain terms, that means one control point handles opening, closing, and connecting the case. If you already work with stacked Systainers, this matters because you can get into the case quickly without turning your setup into a pile of boxes. It is one of those small details that makes a big difference when your storage system gets used every day instead of just sitting on a shelf.
Festool also built this case around real sanding workflow. Abrasives do not like dirt, moisture, or getting bent up in transport. Keeping them stored flat and protected helps preserve usable discs, especially finer grits and specialty papers you do not want to replace early. The dedicated insert keeps things from shifting around, and the compartment layout makes it easier to separate fresh discs from partially used ones.
In terms of jobsite practicality, the Systainer3 format is the real advantage. The Festool 576785 Systainer3 SYS-STF D150 Abrasive Systainer is compatible with all Systainer generations and can be connected to Festool mobile dust extractors and other system accessories. If your shop or van is already built around Festool storage, this drops right in without needing a workaround. If you are just starting with the platform, it gives you a clean way to organize one of the messier parts of sanding: the pile of loose abrasive discs that always seems to spread everywhere.
Size-wise, this is the SYS3 M 237 format, measuring 15.59 inches long, 11.65 inches wide, and 9.33 inches high. That gives you enough internal volume for organized disc storage without turning it into an oversized box that wastes space in the truck or on the shelf. At about 4.8 pounds, it is substantial enough to feel like a real storage system but still easy to carry around the shop.
Who should buy it? If you use a 150 mm random orbit sander regularly and keep multiple grits on hand, this case makes sense fast. It is especially useful for anyone doing finish prep, paint prep, cabinet work, furniture sanding, or detail sanding where staying organized directly affects how efficiently you work. If you only keep a handful of discs around, a standard box may be enough. But if sanding is part of your routine, this is the kind of storage upgrade that pays back in less wasted motion, better disc protection, and a cleaner workflow.
Keep Sanding Discs Sorted and Ready
This case is made for one job: keeping your 6-inch abrasives organized so you can move from grit to grit without hunting around.
- Dedicated insert for 150 mm, or 6-inch, sanding discs
- Compartment layout helps separate grits and track used versus reusable discs
See What You Have at a Glance
The inside layout is what makes this storage case more than just another box. You can quickly tell what is stocked, what is running low, and which discs are still worth keeping.
- Official Festool data lists 8 compartments
- Foam insert helps keep abrasives flat, separated, and protected during transport
Fits the Festool System You Already Use
If you are already using Systainers, this one slides right into the same workflow. The value here is not just storage, but cleaner transport and easier access across the whole Festool system.
- Compatible with all Systainer generations
- Connects with Festool mobile dust extractors and other system accessories
Quick Access Without Unstacking Everything
The T-LOC latch is one of those features you appreciate once the case is part of your daily setup. Open, close, and connect from a single point instead of fighting stacked storage.
- T-LOC central control element handles opening, closing, and connecting
- Can be opened without disconnecting from other Systainers first
What’s in the Box
- (1) Festool Systainer3 SYS-STF D150 Abrasive Systainer
- (1) Insert for 150 mm / 6-inch abrasives
Key Specifications
| Storage Type | Systainer3 abrasive storage case |
|---|---|
| Abrasive Size Compatibility | 150 mm / 6 in |
| Number of Compartments | 8 |
| Systainer Size | SYS3 M 237 |
| Overall Length (in) | 15.59 in |
| Overall Width (in) | 11.65 in |
| Overall Height (in) | 9.33 in |
| Weight (lbs) | 4.8 lbs |
| Made In | Germany |
Compatibility
Systainer PlatformCompatible with all Festool Systainer generations for connected storage and transport. Dust Extractor IntegrationCan be connected to Festool mobile dust extractors as part of a shop or jobsite system setup. Abrasive FormatDesigned specifically for 150 mm and 6-inch sanding abrasives.
Built For
Woodworking Cabinet Installation Finish Carpentry Remodeling Paint Prep Surface Sanding Shop Organization DIY / Hobbyist
Pro Tip
Set each compartment to a grit range and keep one space for partially used discs only. That makes it a lot easier to grab the right abrasive fast without mixing fresh discs with ones that are already near the end.
Warranty & Support
3 Years Limited warranty.
Tool Nut’s Take
Tool Nut’s Take
Festool 576785 Systainer3 SYS-STF D150 Keeps Sanding Organized
This is a smart buy for anyone tired of loose 6-inch sanding discs getting mixed up, bent, or buried in the bottom of a drawer.
- Who it’s for: Anyone running a Festool sander regularly, especially woodworkers, finish guys, cabinet shops, and remodelers who keep multiple grits on hand.
- Why it stands out: It is purpose-built for 150 mm abrasives, uses the Systainer3 platform, and works with the rest of the Festool storage system instead of acting like a one-off box.
- Worth knowing: This is an organization piece, not a universal toolbox. If you do not use enough sanding discs to justify dedicated storage, it may be more case than you need.
Common Questions
- What size abrasives does this Systainer hold? It is designed for 150 mm, or 6-inch, sanding abrasives.
- Is it compatible with other Festool Systainers? Yes. It is compatible with all Systainer generations.
- Can it connect to Festool dust extractors? Yes. Festool lists it as compatible with mobile dust extractors and other system accessories.
- What Systainer size is it? It is the SYS3 M 237 size.
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