Got a stripped or damaged thread that's causing headaches? This kit of 10 Stainless Steel Reducing Nuts might be the perfect fix! These clever inserts are made from durable 303 stainless steel, making them strong, corrosion-resistant, and stable for demanding repairs in automotive, aviation, or general manufacturing. Here's how they work: Each insert has a female (inner) thread of M10x1.5mm and a male (outer) thread of M14x2mm. They are 16mm long with a slot for easy installation (usually with a flat-head screwdriver). The idea is to repair a damaged M10 hole by tapping it to M14, screwing in this insert, and now you have a brand new, strong M10 thread again! They're also great for simply adapting thread sizes or reinforcing weak threads. This coarse thread design offers good holding power. Perfect for repairing threads in engine blocks, machinery, electronics, molds, or anywhere a durable threaded insert is needed. It's a cost-effective way to salvage a part instead of replacing it entirely. The pack of 10 gives you plenty for multiple repairs. A must-have for any serious toolbox!