New Aluminum Spacer Bushing 1/2" OD x 3/8" ID--Fits M10 or 3/8" Bolts
New Aluminum Spacer 1/2" OD x 3/8" ID---Fits M8 or 3/8" Bolts. Material T-6061 Aluminum. Product information: All aluminum spacers have an acid washed finish that is compatible with anodizing and welding.