Constructed from 304 stainless steel for durability and longevity. The integral clamp allows height adjustment from 23″–41″. A large 8″ arc allows for additional leg clearance. Mounts to OR table rail 1″ wide cotton strap that conforms to 9″ loops are included • Model: MCM-150• Integral Clamp adjusts from 23″-41″• Large 8″ arc allows for additional clearance• 60 lb. capacity• Mounts with standard Clark socket(sold separately).This item is new.