Features Made of tin-plated iron to resist rust, corrosion resistant and sturdy in use These quick connectors were designed for convenient connection and disconnection of pipes High compressive strength, good performance and high reliability These airs hose quick coupling are mainly used for pneumatic tool, easy to achieve the connection or disconnection of piping without other tools Widely applied to pneumatic tool, auto industry, airs compressors, mechanical engineering, etc. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Iron Tin-plated Color: Silver Quantity: 8pcs Thread: BSP 1/2 Male Thread Weight: Approx. 514g Package Included: 1 x 1/2BSP Male Thread Quick Coupler Plug 1 x 1/2 BSP Male Thread Connector Socket 1 x 1/2 BSP Female Thread Quick Coupler Plug 1 x 1/2 BSP Female Thread Connector Socket 1 x 1/2 Barb Quick Coupler Plug 1 x 1/2 Barb Connector Socket 1 x Quick Coupler Plug 8 x 12mm 1 x Connector Socket 8 x 12mm Package List: 8PCS BSP 1/2 Hose Connectors