SUPCO ADJUSTABLE LINE TAP VALVEAvailable in 2 sizes to accommodate 5 different OD tube sizes.Features/Benefits:Depressor valve actionCan be mounted in any positionRetracting needle ensures no restrictionThrow away depressor pin simplifies line piercingHex wrench includedAdapter sleeves includedCan be used with all refrigerants, including R410AMaximum operating pressure 800 PSIUsed to provide access fitting without having to remove refrigerant from system.Choose Tube Size O.D. @ Shopping Cart:Tube Size OD (SA1): 1/4", 5/16", 3/8"orTube Size OD (SA2): 1/2", 5/8"