1/2" Drive 6-Point Metric 17 mm Flank Drive® Deep Impact Socket | SIMM170 Extensions/Friction Ball (2-4-3/4") and (4-1/2-6-1/2")

(2-4-3/4") and (4-1/2-6-1/2")

• Extensions have the smallest diameter shank allowing greater accessibility

• Writing Surface : No

• Finish : Nickel Chrome

1/2" Drive 6-Point Metric 17 mm Flank Drive® Deep Impact Socket | SIMM170 Extensions/Friction Ball (2-4-3/4") and (4-1/2-6-1/2")Snap on impact sockets are heat treated to optimize impact service life with a lower hardness than hand sockets and are able to withstand repeated cycling loads of impact wrenches Snap on uses a proprietary blend of special alloy socket steel that provides long life and great strength Flank Drive wrenching system delivers up to 20% more turning power without slipping or rounding while exceeding ANSI performance standards Specifications Dimension E,