1)37pcs set screwdriver bit set 2) Material: Crv Or S2 3) Package: Blow foan case 4) For power tools accessaries 5) ISO9002

37pcs set screwdriver bit set

Material: Crv or S2

With 25mm bits and 50mm bits, with quick changes inside.

Packaged in blow foan case

37pcs set screwdriver bit set