ASH Plated Long Hexagonal Wrench 4mm AY0400 1 piece

Catalog number: AY0400 Features: ● It fits all the way to the bottom of the hexagonal hole and engages with the screw securely, preventing the screw from wearing out. ● It is a long type, so it can be used in deep places. Applications: ● Fastening hexagonal socket bolts and hexagonal socket set screws. Specifications: ● Opposite side size (mm): 4 ● Neck size (mm): 23 ● Total length (mm): 142 ● Total length (mm) x neck length (mm): 142 x 23 (inner dimensions) ● Hardness: HRC55-59 ● Opposite side (mm): 4 Material/Finish: ● Material: Super strong alloy steel ● Surface treatment: Nickel chrome plating