General description Recoil Inserts Sparkplug M14.0 - 1.25 Pitch x 1/2in are designed for quick and easy repair of damaged threads or for creating stronger original threads in alloys and composite materials. Made from corrosion-resistant stainless steel, these inserts simplify the changeover between unified and metric threads while reducing thread wear. Technical specifications Size: 14mm x 1.25 Length: 12.5mm (1/2 in) Quantity: 10 Inserts Other information Interchangeable with other brands of inserts or tooling