No it only fits the earlier style Multitools. The Fmm250 without the quick release blade change should take multitool blades by unscrewing the sanding foot and installing the blade using the washer holding the sanding foot( if it has the star pattern) or if the washer doesn't have the star pattern there should be an accessory washer with the star pattern and screw that should have come with the kit. If it is missing the replacement for the retainer washer and screw is p/n FMM250SCRKIT. Check the Fein web site.

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Fein MultiMaster Adapter Oscillating Attachment Tool Set for MSX 636, MSX 636-1 and MSXE 636 II - StarLock Mount - 35222927050

Fein MultiMaster Adapter Oscillating Attachment Tool Set for MSX 636, MSX 636-1 and MSXE 636 II - StarLock Mount - 35222927050

Q: Is this low enough to clear your work using the newer flush cut blades?

The bottom washer fits the blade cup as it should. It's worked just fine for all of the Fein and Bosch blades I've bought.

Q: this up grade kit ..will it work on an older model fien 656 detail sander?

It Fits my Fien 636-1 which is older and similar and works great. I no longer have the packaging but it lists that it fits the models that do not have the star backer integral to their design. The secret to getting it not to slip as others complained about is to hold the blade when tightening so it doesn't shift position and tighten until the head assembly ocelates and stops then snug the bolt a bit more. Also make sure the star is engaged fully in the blade star. socket

Q: Will this work with msxe 636 ii 2007

Yes, It fits the MSXE 636II per the manufacturers description .

4.5/5

Product ID: 645524677

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🔩StarLock positive-fit mount

⚙️40% improved torque transfer

🇺🇸Made in USA precision

Frequently Bought Together

Description

⚡ Upgrade your MultiMaster game with precision and power!

FLUSH FINISH DESIGN - Flat clamping screw ensures smooth, flush work surfaces every time.
SEAMLESS COMPATIBILITY - Perfectly engineered adapter for Fein MultiMaster MSX 636 series and MSXE 636 II models.
LEGACY MEETS INNOVATION - Upgrade your older Fein oscillating tools with cutting-edge adapter technology.
DURABILITY MEETS PRECISION - Crafted with premium materials for professional-grade longevity and performance.
UNMATCHED TORQUE EFFICIENCY - Boost your tool’s power by up to 40% with precision StarLock mounting.

This Fein MultiMaster Adapter is a precision-engineered accessory designed for older Fein oscillating tools (MSX 636, MSX 636-1, MSXE 636 II). Featuring a StarLock positive-fit mount, it delivers up to 40% improved torque transfer and includes a flat clamping screw for flush surface work. Made in the USA, it ensures professional-grade durability and seamless compatibility, elevating your tool’s performance to meet demanding metalworking and woodworking tasks.

Specifications

Manufacturer	FEIN
Country of Origin	USA
Item model number	35222927050
Product Dimensions	0.17 x 0.78 x 0.76 cm; 9 g
ASIN	B019A32OO2

Have a Question? See What Others Asked

Is this low enough to clear your work using the newer flush cut blades?

this up grade kit ..will it work on an older model fien 656 detail sander?

will it fit fmm250

Will this work with msxe 636 ii 2007

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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

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Excellent communication throughout the order process. Product is perfect.

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TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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