Lishenflex dị ka onye ọkachamara 1 inch ratchet na-ejigide eriri ndị na-emepụta ihe na ndị na-ebubata ya na China, ihe niile 1 inch ratchet na-ejikọta eriri eriri agafewo ụkpụrụ asambodo ụlọ ọrụ mba ụwa, na ị nwere ike ijide n'aka nke ọma. Ọ bụrụ na ịchọtaghị ebumnuche gị 1 inch ratchet tie eriri na ndepụta ngwaahịa anyị, ị nwekwara ike ịkpọtụrụ anyị, anyị nwere ike ịnye ọrụ ahaziri iche.