Pro Insert Inox Kit

System of insert threads that quickly and safely replaces damaged and worn threads. Made of solid stainless steel with a surface of zinc and phosphate and 2-4 hardening locking pins that prevent the sleeve from loosening. Very easy to install and remove with standard tools. No risk of the sleeve loosening, even with repeated tightening. Zero risk of thread damage both during assembly and disassembly. Sleeves from M6 and smaller have two locking pins, larger sleeves have four pins. Kit included 6pcs: Pro Insert Inox M4, M5, M6, M8, M10, M12.