Expert Quality, forged from chrome vanadium steel hardened, tempered and chemically blacked for corrosion protection. Spring - loaded ball bearing for secure socket holding. Expert Quality Forged from chrome vanadium steel hardened, tempered and chemically blacked for corrosion protection More information: Features | Type | Single item |  | Product type | Extension bar |  | Drive size | 1/2 " | Weight & dimensions | Length | 250 mm |
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