HAOLI 37 pcs Oscillating Multi Tool Saw Blades Bundle for Multifunction Power Tool Accessories Such as FEIN,DremelMakita,Bosch ,with Carbide Blades Compatible with Fein Multimaster Bosch, CRAFTSMAN, Chicago Electric Dremel and more. Thick gauge metals and high quality manufacturing techniques insure superior wear tolerance and life For cutting out defective tile grout and cutting grooves in plaster, lightweight concrete and similar construction materials. Contractors pack, profession selection of top blades used in job site construction duties. Pack of 37 accessories, stock your toolbox and get the best per blade price.