This is an inner & outer tube bearing pad for the wheel lift of a Century orVulcan LCG Series car carrier. There are a total of 4 bearing pads for eachequipped wheel lift. See Features for which years/models they are used on. Nylatron Pad See Part# 12-0750506 for spacer pad Models equipped: ’09 & Newer Century 12 & 16 LCG Series ’09 & Newer Vulca n 12 & 16 LCG Series Length: 4″ Width: 2″ Height: 0.64″