Feature●TIME-SERT 1/2-13x1.00 Insert QTY 10 p/n 01213●Professional thread repair inserts by TIME-SERT Made In USA●TIME-SERT Kit p/n 0121 required to installDescription TIME-SERT 1/2-13x1.00 Insert QTY 10 p/n 01213 Professional thread repair inserts by TIME-SERT Made In USA TIME-SERT Kit p/n 0121 required to install