US PRO 51 Piece Engineers HSS Metric Drill Bits Set 1 - 6mm 2619 Flexible Head Ratchet 3/8" (F) x 1/4" (M)

3/8" (F) x 1/4" (M) = CRV

100mm in T15

15 metre / 49

1 x Flexible Driver with 7mm socket end

US PRO 51 Piece Engineers HSS Metric Drill Bits Set 1 - 6mm 2619 Flexible Head Ratchet 3/8" (F) x 1/4" (M)Made from 6542 high speed steel. This is the very best grade of HSS steel. True engineering quality. This set of drill pieces have been fully precision ground and heat treated for extra strength and durability. Fully ground bits are machined from a single metal bar and are far better than a normal rolled or twisted drill bit. These have a long lasting working capacity and use an aggressive 135 split point design. This set also comes with a handy