... Casting+CNC Lathe ISO9001 CE Quick Coupling- adaptor, coupler, hose shank, dust cap, dust plug Type A Adaptor FemaleType B Coupler ... CupType DP Dust Plug SPECIFICATIONS Quick coupling- adaptor, coupler, hose shank, dust cap, dust plug1. Size:1/2''- 6'';2. ... elbow,45 degree elbow,street reducing elbow, tee, hex nipple, hex bushing, hex cap, sqare plug,hex plug, barrel nipple, hose nipple,union f ...