Aluminum Spacer-Tubing- 1" OD x 1/2" ID x 8" Long--Fits M12 or 1/2" Bolts
New Aluminum Spacer bushing bung 1" OD x 1/2" ID x 8" Long. Fits 12mm or 1/2" Bolts. Material T-6061 Aluminum. Product information: All aluminum spacers have an acid washed finish that is compatible with anodizing and welding.