Designed to cut new threads on fork steerers or clean up existing threads expandable cutting dies are made from the highest quality high speed steel to ensure a precision cut and a long life the thread guide system allows the metal shavings produced to fall through the guide preventing damage to the threads includes a 1 inch x 24 tpi cutting die and a 1 inch cutting guide 1 18 inch x 26 die 1 14 inch x 26 die 1 18 inch guide and 1 14 inch guide are also available and will fit the