Cam actuated, micro adjustable clamp allows quick entry and exit and fits 1` to 3` (25mm76mm) diameter tubes and seat posts of any shape and materialNarrow clamping jaws (2.7`/7cm) fit into tight areas or on short seat posts360° infinite clamp rotation allows bike to placed in optimal position for specific repairsAll steel structure for maximum stiffness and durabilitySuper strong glass-filled nylon composite fittings and top tube internals enable smooth rotation and secure positioningMounts to any flat surface (mounting bolts not included)80lb weight limit providing the clamp is properly mounted to a suitable work surfacePCS-12.2UPC/EAN/GTIN: 763477007063