4 mm and 1/4 Inch Bit Driver and Bit Set with Cases (134-Piece) Quantity:1 The 6-lobe

The 6-lobe

the smooth walls support use with friction ring anvils

Part Number: BIT-VAC4HEX

Additionally

Grade 8 Hex Top Locking Prevailing Torque Flange Nuts Phos & Oil

4 mm and 1/4 Inch Bit Driver and Bit Set with Cases (134-Piece) Quantity:1 The 6-lobe4 mm Bits Set includes 96 unique bits spanning 20 types, with no duplicate bits or filler pieces 1 4 Inch Bits Set includes 36 bits spanning 6 types, with no duplicate or filler pieces Flexible Bit Rails The rails securely grip the bits so they can't fall out, while also making it easy to remove any bit one handed Clear Markings The tip size and Tekton "T" are clearly stamped onto every bit, and the rails have high contrast size markings printed on