Check the listing for details. 1/2 Inch Hydraulic Quick Coupler /Coupling | ISO A 7241 | NPT | 4 Sets. Condition: New. Listed at 59.99 USD. NPT Quick Disconnect Couplings Size: 1/2" NPT Set of 4 Standard: ISO 7241-1 Series "A" Material: Carbon steel with carbonated black tip making it more corrosion resistant Interchangeable with: Snap Tite 61, Parker 6600, Aeroquip 5600, Dixon K, Safeway S56, Tomco A5600, Stucchi BIR, Faster ANV Seals: NBR Features: 4500 PSI Rating, Hardened Steel Plugs Shipping: Item ships from Houston, TX Additional Sizes: SIZESet of 1 Set of 4 Set of 101/4" Series A $19.99 $34.99 $89.991/4" Series B $21.99 $39.99 $99.993/8" Series A $20.99 $42.50 $99.993/8" Series B $22.99 $42.50 $109.991/2" Series A $21.99 $52.99 $119.991/2" Series B $24.99 $54.99 $129.993/4" Series A $24.99 $64.99 $149.993/4" Series B $29.99 $69.99 $159.991" Series A $34.99 $109.99 $259.991" Series B $39.99 $119.99 $279.99