... parts (DIFFERENT STYLE)It made of brass , or steel with nickel plated . Part number: QHM09 quick couplerFeatures:1) ... Range: - 20° ~ 80° 6) Material: Brass, Carbon steel with Nickel plated, Zincplated, Copper plated. Our pneumatic quick coupler and ... insteel, brass, and stainless steel, and they can beinterchangeable with many manufacturers. Recommended forgeneral purpose air, water and other low ...