1、REPAIR DAMAGED OR WORN ONES: This thread repair kit is suitable for M14 repair of damaged or worn threads. The drill is approximately 14.4mm in diameter, which will not fit 1/2in(13mm) drill chucks 2、REPAIR VARIOUS MATERIAL THREADS: This is an excellent choice for repairing damaged threads in steel, iron, aluminum and any metal where threads are peeled, crossed or damaged 3、COMPLETE ACCESSORIES: Thread repair kit includes thread inserts, drill bits, thread taps, insert installation, lug break tool, bring a smooth repair experience 4、EXCELLENT PERFORMANCE: Thread repair insert kit is made of accurate stainless steel wire for good strength, wear resistance and durability 5、HARD HSS: Taps and drills are made of excellent HSS material with good toughness and higher hardness, durable for a long using time <p class="wang-edit-text"><p class="wang-edit-text">Item Type: Thread Repair KitThread Size: M14x1.5mmThread Insert Material: Stainless steelTap and Drill Material: HSSDrill Diameter: Approx. 14.4mm / 0.57in<style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Thread Repair Kit1 x User Manual