Hydraulic ram piston fits all Sealey hydraulic puller sets and is also suitable for use with other popular makes of hydraulic gear pullers. Screw mechanism converts power to 10 Tonne ram head with enough force to remove most stubborn bearings, pulleys and shafts. Features & Benefits:Hydraulic ram piston fits all Sealey hydraulic puller sets and is also suitable for use with other popular makes of hydraulic gear pullers.Screw mechanism converts power to 10 Tonne ram head with enough force to remove most stubborn bearings, pulleys and shafts.Compatible with: Model No's PS980, PS981, PS982, PS985.Model No. PS990 Specifications: Model No PS990 Brand: Sealey Nett Weight: 1.36kg Compatible With: PS980, PS981, PS982, PS985, VSE127H