The Draper MH40/BMC/B TX-STAR® 3/8 1/2″ Square Drive 40 Piece Hex & Spline Mechanic’s Bit Set is manufactured from hardened and tempered chrome vanadium steel with shot blasted finish. Spare bits are available. Packed in impact resistant plastic case. Set contains 1 x bit holder 10mm hexagon x 3/8″ sq. drive1 x bit holder 10mm hexagon x 1/2″ sq. drive7 x 30mm Draper TX – STAR® bits: T20 T25 T30 T40 T45 T50 T557 x 75mm Draper TX – STAR® bits: T20 T25 T30 T40 T45 T50 T555 x 30mm spline bits: 5 6 8 10 12mm5 x 75mm spline bits: 5 6 8 10 12mm7 x 30mm hexagonal bits: 4 5 6 7 8 10 127 x 75mm hexagonal bits: 4 5 6 7 8 10 12
