The Professional German Quality Fein STARLOCK blade mounting system for oscillating tools allows you to change your multi tool accessory in just under three seconds. The Fein Starlock fitting that is an improved, standardised accessory-fitting system for multi tools. Starlock blades feature a future-proof 'cake-tin' pattern for a 3D connection between the motor and accessory. This ensures 100% power transfer for maximum performance, stability and precision. The Fein Starlock Sanding 63pc Set contains everything the discerning tradesperson or DIY-er needs for an effective sanding application. Including two unperforated sanding pads, one sanding finger, and sanding sheets of grit 60, 80 and 120, these accessories are especially useful for work with corners and edges. They can be used with all Fein MultiTools and any compatible MultiTools with Starlock mounting systems. Includes 63 sanding accessories Ideal for sanding corners and edges Compatible with all MultiTools with Starlock mounting Key Features: Professional German Quality. Ideal for Multi Tool Users For Home and for Work Fully compatible with Bosch Starlock and Makita Starlock machines and all other NON-Starlock multi tools on the standard OIS system