[gentlehhygu]4PC 1/4" 3/8" 1/2"Ratchet Socket Adapter Reducer Converter Set Air Impact ToolsSurface treatment: Black phosphating, laser marking
Color: Black;Material: 42CR-MO steel
Hardness: (HRC) 40 ± 2;Weight: about 130g
Optional specifications: 1/4" Male to 3/8" Female, 3/8" Male to 1/4" Female, 3/8" Male to 1/2" Female, 1/2" Male to 3/8" Female
Package Include: 4x Pneumatic sleeve adapter