18 PC SYS 4 HEX INCH/METRIC

MM Hex: .7, .9, 1.35, 1.5, 2.0, 2.5, 3.0, 4.0mm Inch Hex: .050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32 1 - Extension:100mm Long 1 - Handle: Standard Material

Micro Precision Bits on 4mm Hex Drive

Hardened for Extreme Durability

Bits of Exclusive CRM-72 Tool Steel

Choose ESD Safe or Standard Handle

Handle uses Ball Retainer Not magnetic

Small Sizes, Light weight, Compact

Use Bits in Handle or extension

Standard Extension adds 4″ to length