Kit contains the most popular jig saw blades with a 1/4 inch universal tang. Assortment includes one each 48-42-2120 for metal over 1/8 inch, 48-42-2160 for metal under 1/8 inch, 48-42-2190 for metal over 1/4 inch, 48-42-2300 for nail embedded wood, and 48-42-2310 for nail embedded wood. No. 49-22-1168: Shank Type: U-Shank, Pieces In Set: 5 pcs, Length: Assorted, Cutting Material: Metal and Wood, Pkg Qty: 1, Package Type: Card