100% and Features:Made of qualitied material, thus it is durable.When using the coupler, just slide back the sleeve, push in the connector and then slide back the sleeve fully to lock in the connector.Enables tools and air line to be quickly connected and disconnected.Reduces accidental disconnection.Quick release coupler for 8mm diameter hose.Quick Coupler ONLY,other accessories demo in the picture is not included. Specifications:Material: MetalColor: SliverSize: 1#:app.66x25mm/2.60x0.98in(HxD) 2#:app.53x11mm/2.09x0.43in(HxD)Quantity: 2 Pcs Note:No retail packageTransition: 1cm=10mm=0.39inchPlease allow 0-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes:2 Pcs x Quick Coupler Item specifics:Model number: wire connector