1 x PAIR CLEAR LUBE DUST CAP 1.780 INCHES/45MM Press Fit Alloy Housing & Screw in Clear Dust Cap Suits Holden / Ford Rotors & Hubs No need for Bearing Buddies ,no extra sleeves required like other brands machine to suit individual sizes 1780 Easy Installtion in minutes compatiable For Oil & Grease Use Don't end up on the side of the road see the grease or oil on the inside without removing the cap before you leave. *EASY INSTALLATION & PRE - CAUTIONS* Assemble bearings ,washer,castle nut and pin (trim Pin Length to suit) Install alloy housing evenly & is home on hub with soft item (timber or equivelant) and hammer. Spin rotor or hub to ensure nothing is fouling on housing. Do not over tighten clear cap.This may cause unecessary damage to the threads due to expansion and contraction from heat. Hand tight till O Ring seals on alloy housing. When filling, remove the grommet and fill until no further oil flows into the bearing cavity,check for any leaking from o ring. Replace the grommet. Recheck oil Level and for leaks after a short distance and then before evey use. Bearings still require regular checking for tightness. Place a container under the oil cap and remove the cap. Finally, wear and tear on the bearing castings causes contaminated oil or water ingress would show oil discolouration.