The sliding T-handle, measuring 1/4\"-188.3/2, is expertly crafted from premium flex chrome vanadium steel. It is entirely hardened and tempered for maximum strength and durability. The surface finish is chrome plated, meeting the ISO 1456:2009 standard, providing corrosion resistance. Manufactured in adherence to the ISO 3315 standard, this T-handle reflects high-quality standards in its design and production.