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 Wood and Metal E-Cut Combo 3pc Set is a trio of miniature accessory multi-tool blades specially suited for working in tight and confined spaces, installation jobs and model building. These blades are compatible with all FEIN Multitools and many popular Multitool brands with Starlock mounting systems. The set includes two E-Cut long-life saw blades and a carbide file. Ideal for both professional and DIY use. Key Features: 3 accessories for cutting smaller recesses Ideal for work in tricky confined spaces and tight spots Suitable for most tools with Starlock mounting Fully compatible with Bosch Starlock and Makita Starlock machines and all other NON-Starlock multi tools on the standard OIS system