30 Piece Pro Grade Oscillating Multi Tool Saw Blade Set features (10 each Wood, Bi-Metal, Japan) fits FEIN BOSCH RIDGID RYOBI ROCKWELL CRAFTSMAN CHICAGO SKIL and more. For use with Fein, CRAFTSMAN, Chicago Electric and more, see description for tool compatibility list Thick gauge metals and high quality manufacturing techniques insure superior wear tolerance and life Universal arbor allows multiple position settings for slip free operation at varying blade angles Contractors pack, profession selection of top blades used in job site construction duties Pack of accessories, stock your toolbox and get the best per blade price