Feature●TIME-SERT 5/16-18x.620 Insert QTY 10 p/n 05613●Professional thread repair inserts by TIME-SERT Made In USA●TIME-SERT Kit p/n 0561 required to installDescription TIME-SERT 5/16-18x.620 Insert QTY 10 p/n 05613 Professional thread repair inserts by TIME-SERT Made In TIME-SERT Kit p/n 0561 required to install