Features:
Long Service Time -- High strength impact grade 45# steel sockets withstand more torque from impact tools and ensure longevity. Premium black oxide finish provides maximum protection from rust and corrosion.
Enhance Stable Design -- Concave 6-point hex socket design grips the flat sides of fasteners, not just the corners, preventing round-off deterioration under high torque and hammering stress when used with impact and electric wrenches against fasteners.
Visible Size Code -- All 1/2inch deep impact sockets are engraved with size mark for quick identifies drive socket specs and measurements.
Classification Box -- A solid plastic storage box is included for convenient drive socket organize and store, and make socket transport more easy.
Most-Used Size Are Inlcuded -- Set include 1/2inch drive high torque impact sockets (metric): 10mm, 12mm, 13mm, 14mm, 15mm, 17mm, 19mm, 21mm, 22mm, 24mm,  and with length 80mm long.

Specification:
Color: Black
Material: 45# Steel
Square Socket Size: 1/2in (78mm)
Hex Socket Size (metric): 10mm, 12mm, 13mm, 14mm, 15mm, 17mm, 19mm, 21mm, 22mm, 24mm
Length: 80mm

Packing List:
10 * Deep Impact Socket
1 * Storage Box