Fits all reciprocating saws with universal shank 12.7mm (1/2") Suitable for all types of reciprocating saw Industrial quality blades with hardened teeth Set contains both wood cutting and metal cutting blades Quality, hardened steel teeth for added strength and durability. Set Includes: 4 x 15cm (6") x 7T wood cutting 2 x 16.5cm (61/2") x 18T metal cutting 2 x 20cm (8") x 7T wood cutting 2 x 15cm (6") x 24T metal cutting Plastic Storage case