Material: aluminium 7050 T6 forged 3D reinforced with carbon HM - aluminium clamp 6161 T6 Coating: carbon gloss coating Black anodized clamp Lenght: 350mm Offset: 15mm Weight: 235 gr. (ø27,2) Screw: M6 - New Carbon/Aluminum ultra high performance and super light pro line. NOT Compatible with carbon slides