Working Pressure: 10,000 PSI Length: 48" Thread Type: Working End: 1/8" NPT, compatible with the LockNLube and all other grease couplers. Base End: 7/16"–28 UNEF. Compatible with brands such as Lincoln and Dewalt. Included Adapters: With O-Ring: 7/16"–28 UNEF (F) × 7/16"–20 UNF (M). Found on brands such as Milwaukee and Alemite battery-powered grease guns. Without O-Ring: 7/16"–28 UNEF (F) × 1/8" NPT (M). Found on all hand-pump grease guns and common for most other battery-powered grease guns.