The Tap Holding Socket 1/2 - 4.9 mm ensures secure tap retention with a 12.5 mm machine insertion size, compatible with standard tools for efficient tapping operations. Its 45 mm length offers optimal reach for various industrial machining tasks. Key features: - Machine insertion size: 12.5 mm (1/2 inch) - Bit insertion size: 4.9 mm - Length: 45 mm for extended accessibility - Reliable socket holder for stable tap engagement - Robust construction for durability in demanding environments