Doinker Platinum Adjustable Quick Disconnect Black. Bolt on the base tight as you desire slide the quick disconnect body on and align it anyway you want then tighten the four 1/4-20 set screws down. Set screws included. Package Contents: Doinker Platinum Adjustable Quick Disconnect The Platinum adjustable quick disconnect features an adjustable base that allows you to keep the quick disconnect hole perfectly vertical when installing. Bolt on the base tight as you desire slide the quick disconnect body on and align it anyway you want then tighten the four 1/4-20 set screws down. Set screws included.