You can really count on this clamp to hold things together. This clamp is made out of Military grade aircraft aluminum, and it is manufactured in California! 3mm Spreader Bolt for easy expansion. Fits standard, oversized and aluminum bars with 31.9mm or 34.8mm. SCS, top cap, top bolt, and shim included. 6mm bolts for extra strength. This clamp also features a lazer stitched logo to top it all off. If you have any questions regarding compatibility with your current set up, please feel free to contact us.