Expert Quality, with wobble end, manufactured from chrome vanadium steel hardened and tempered with a polished finish. Each ext. bar has a knurled ring for extra grip. Machined wobble end allows sockets to be driven at up to 15° to the vertical. Attached with a spring - loaded ball bearing for secure socket holding. Display packed. https://elecena.pl/product/27248924/draper-expert-16716-1-4-quot-sq-dr-wobble-extension-bar-50mm 2024-11-12 https://elecena.pl/product/27248924/draper-expert-16716-1-4-quot-sq-dr-wobble-extension-bar-50mm 2025-03-14