Main material: chrome vanadium steel
Surface treatment: bright chrome plating
Product introduction: Made of high-quality chromium-vanadium alloy steel CRV, high-quality, durable, overall quenching heat treatment, high hardness, chrome-plated surface, rust-proof and beautiful
Specifications:
1/2" to 3/8"--(12.5mm square hole to 10mm square head)
3/8" to 1/4"--(10m square hole to 6.35mm square head)
3/8" to 1/2"--(10mm square hole to 12.5mm square head)
1/4" to 3/8"--(6.35mm square hole to 10mm square head)
Name: 4-piece silver reducing sleeve
