Vise Shaft Clamp Small - For small sized common axle and suspension componentsVise Shaft Clamp Small Precision machined anodized aluminum clamps designed to allow for easy and secure clamping of round suspension components. Designed with strong magnet inserts to keep the shaft clamps securely in place when used with a vise clamp. Includes 1 pair of of shaft clamps to fit shaft diameters 8mm 9mm 10mm 12. 7mm 15mm 15. 9mm 16. 7mm Other Shaft Clamps We Offer: Model ST0007: For common dropper seat post shaft diameters: 30. 9mm, 31.