KEE 075 Series 12mm Hose Tail Coupling - 075CVHT13SNN Body: Brass (MS 58) Nickel Plated Valve Body: Brass (MS 58) Nickel Plated Sleeve: Steel Nickel Plated Spring and Locking Ring: Stainless Steel 301 Locking Balls: Stainless Steel 301 Seals: NBR Interchangeable with the Rectus 25 Series & CEJN 320 NW 7.8. The 075 series is specially suited to compressed air applications. Its compact dimensions and single handed operation make it suitable for numerous applications.