This economical strap clamp makes it easy to assemble rectangular frames up to 144 inches in circumference. The high strength strap pulls evenly on both ends of the strap, thus placing even pressure on all 4 corners. Just remove the 3 sliding 90degree corner guides and use the bare strap. You may also purchase the VAC6 variable angle corner clips as the width of this clamps strap is the same as that of the VAS23 clamp. Complete with the high quality 2K handle for a comfortable grip.