Grease Fitting Unblocker - GR.FU Clogged grease fittings / loosens hardened grease joints • Maintains and protects bearings, control arms, joints, king pins etc. • Tap with a hammer to force light viscosity oil through the tool into the coupler and finally, into the grease joint - breaking up and removing dirt and debris. • Built in hand guard for added safety. • Flexible hose attachment reaches fittings in difficult areas. • Comes with a grease coupler for connection onto the grease fittinng and 2 spare piston seals for replacing as they wear out