ITEM NAME:2x Fittings SH20 + Ph20-1 / 4 Bsp Air Fuel Filters Connector Description: Made of heat treated hardened steel for strength and durability. Spring loaded quick release couplers which should be used on the compressor so that the air is contained when the air tool is disconnected. When using the coupler(s) slide back the sleeve, push in the connector and then slide back the sleeve fully to lock in the connector. Enables tools and airlines to be quickly connected / disconnected. Specification: SH20 - Quick Release Coupler for 8mm(inner diameter) hose PH20 - Bayonet Connectors for 8mm(inner diameter) hose Materials: Stainless Steel Package Includes: 1 x SH20 Coupler 1 x PH20 Coupler SKU: DMO0011854651005858.1 x PH20 Coupler. 1 x SH20 Coupler. When using the coupler(s) slide back the sleeve, push in the connector and then slide back the sleeve fully to lock in the connector. Spring loaded quick release couplers which should be used on the compressor so that the air is contained when the air tool is disconnected.