This is our "Contractor Kit."  Perfect for the custom home builder/remodeler or production facility that contracts arch work.  This kit contains (24) 4.5" Archway Clamps, and we will include the 3/8" drive adapter for your drill, along with a 3/4" socket for easy adjusting.  You will be building large scale stairway railing and banisters along with entryway arches with this kit.  All metal construction with NO plastic components, and a rugged powder coated finish. 100% made in the USA!  Shipping cost in checkout cart are per kit.