It features a 1/2 inch universal shank. The S 511 DF Flexible for Wood and Metal Reciprocating Saw Blade delivers fast cuts in wood and metal. Its large tooth pitch (4.3 mm) and side-set teeth enable rapid cutting. Moreover, the BIM (bi-metal) blade is optimised to cut soft nails, mild steel materials and non-ferrous metal components embedded in wood. Its short length (100 mm) enables a cutting capacity up to 50 mm and makes it ideal for use with cordless compact saws.