Lube Technology Clamp on Manual Grease Pump; Clamps to a 35lb (5 gallon) pail ; Develops 3500PSI of Grease Pressure. portable clamp on manual grease pump to a 35lb (5 gallon) pail develops 3500 psi of grease pressure includes rubber ringed follower plate and zerk coupler includes 5 ft high pressure grease hose fully repairable and repair kits available