Park Tool PRS-7-1 Bench Mount Workstand Easily mounted on any workbench. Uses the 100-5C adjustable linkage clamp. Clamps rotates 360-degrees. Mounting flange has four holes, allowing use of bolts or lag bolts to mount. Durable powder coated finish. Mounting bolts not included. Specifications Construction The distance from the center of the clamp to the center of the mount is approximately 11.5" Fits bike frame tubes from 1" to 1 5/8" (25mm to 41mm) The clamp jaws are nominally 4 inches (10cm) wide Uses 468B jaw covers Weight Limit: The PRS-7-1 and PRS-7-2 Bench Mount Repair Stands have a 100 lb. (45kg) weight limit, provided the stand is securely mounted with appropriate fasteners to a solid and secure bench surface. The user is responsible for making sure the workbench and the fasteners are capable of handling this amount of weight. Approx. weight : 8.3