Sturdy and Durable: These blueprint clamps are made from heavy-duty aluminum alloy to resist rust and daily wear. The durable knob and spring-loaded clamp hold blueprints firmly in place without slipping, bending, or deforming

Wide Compatibility: Designed to fit I-shaped racks, R-shaped racks, and wall mount racks(sold separately). These blueprint binding strips feature a standard slot design for quick hanging and easy everyday use

Strong Load Capacity: Each blueprint clip supports up to 20 lbs and holds up to 100 sheets. The 0.79 in clamp width fits thick document stacks. The spring and locking knob keep papers firmly secured

Easy 3-Step Operation: Loosen the knob, insert the document edge, then tighten the knob to secure. This blue print storage organizer requires no tools and includes an illustrated user manual for quick setup

Versatile for Any Space: Great for engineering offices, construction sites, design studios, and home storage, this blueprint hanging clamp organizes blueprints, posters, maps, artwork, and more in one convenient solution