Plunger type volumetric pump, transparent resin tank.Manual operation, store grease when the handle is pulled out, and drain grease when pushing the handle. Small size, easy to install and use. KZ-104/KZ-110 has no unloading function, and is connected with damped grease distributor and damped grease fittings matching. KZ -P104 /KZ-P110 has manual unloading function, and pressurized and pressure-relieving quantitative grease Matching kit.