Designed to be easily mounted to any post or wall stud the PRS-4 is a shop quality stand. Features-Mounting bolts not included-Mounting plate is 6 x 2.5 (15 x 6cm) with holes approximately 1/2 in diameter on 4 centers-Features powder coat finish and solid cast aluminum construction-Features the 100-3D Micro-Adjustable clamp with cam-actuated adjustment system for quick entry adjustment and exit-Fully adjustable clamping pressure prevents damage to thin-walled tubes-Narrow clamping jaws 2.7 (7cm) designed to clamp securely yet fit into tight areas or on short seat posts-Places the clamp approximately 13 from the wall Item Specifications-Stand Style:Wall-mount-Clamp Style:Seatpost-Weight (lbs):12