bm=1d Double end studs--bm=1d

bm=2d Double end studs bm=2d

double end 15 degree angle wrench

double end adjustable spanner

double end adjustable wrench

double end bolt

double end face grinder

Double end face seal centrifugal pump

double end flat die thread rolling

Double end forward converter

Double End Grinding

double end punch

double end queue

double end shear

double end spinning

double end tool

double end tool post wrench

double end wrench

Double-end