For this air conditioner adapter kit, you will get 1 pcs straight type adapter, and 1 pcs angled adapter of 45 degrees, these R410A adapters 5/16" sae female quick couplers to 1/4" sae male flare. The R410A adapter is specially designed with a thimble to effectively avoid opening the air-conditioning core tube during operation and effectively prevent fluoride leakage.