id: 100mm, od: 140mm, thickness: 3mm Material: Polyethylene, oil & high temperature & abrasion resistance Easily to remove and install, less friction and noise than metal shims. Makes loose joints tighter from bucket to boom, keep dust out, increases grease intervals stop losing grease universal bukcet pin shim, please check the size you need. Also have other size, type, material, colour, please contact us if you can't find the one you need.