Draper Expert 1/4" Square Drive Extension Bars
- Draper Expert 12451, Expert Quality, manufactured from chrome vanadium steel hardened, tempered, chrome plated & polished for corrosion protection. Spring-loaded ball bearing for secure socket holding. Sold loose. Manufactured & tested generally in accordance with DIN3122 & ISO3315 Specifications Draper Expert 12451 150mm 1/4" Square Drive Extension Bar