Rotary 2326 Steel Insert 14mx1.25mmx3/4" by Rotary $6.30 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Other PRODUCT DESCRIPTION DESCRIPTION Thread Repair Kit for Spark Plugs. Steel Insert 28140. SPECS THREAD SIZE M14 X 1.25mm X 3/4 DIAMETER 3/4"