Macnaught's KY SUPERGRIP™ Hydraulic grease coupler - 1/8" BSP(F) Standard coupler used on all types of Macnaught hand and air-operated greasing equipment. This is a 50 pack. Technical Specifications Pressures up to 12,000psi 1/8” BSP (F) Inlet Easy to use, snap on and twist and pull off Superior jaw design to ensure maximum grip Robust and compact design Reliable unblocking with leak free seal Suitable for use with any greasing system