Material: CR-V
Drive (in.): 1/4Fx3/8M, 3/8x1/4F, 1/2Fx3/8M, 3/8Fx1/2M, 3/4Fx1/2M, 1/2Fx3/4M
Chrome vanadium steel wears longer and holds up under stress
Coated with black finish to reduce rust and corrosion
Heavy duty blow mold case keeps adapters together and sorted