Professional Quality, sockets manufactured from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. Chamfered end allows easy nut location and entry. Hole for driving accessory spring-loaded ball bearing. Sold loose. Manufactured to DIN 3124/ISO 2725 and DIN 3120/ISO 1174 Specifications https://elecena.pl/product/27243308/elora-11098-9mm-1-4-square-drive-hexagon-socket 2024-11-12 https://elecena.pl/product/27243308/elora-11098-9mm-1-4-square-drive-hexagon-socket 2024-12-04 https://elecena.pl/product/27243308/elora-11098-9mm-1-4-square-drive-hexagon-socket 2025-03-14 https://elecena.pl/product/27243308/elora-11098-9mm-1-4-square-drive-hexagon-socket 2025-04-22 https://elecena.pl/product/27243308/elora-11098-9mm-1-4-square-drive-hexagon-socket 2026-07-13 https://elecena.pl/product/27243308/elora-11098-9mm-1-4-square-drive-hexagon-socket 2026-08-06