Big Gripper™ hinge clamps have a hardened aluminum body with a steel pivotal shaft. These clamps will hold all wood, metal, self-tensioning and roller frames from 1" high (min.) to 3" high (max.)(2.54 to 7.62cm).
Cast hinge clamps are constructed from cast aluminum and hold all wood or metal screens from 5/8" to 2"(1.5 to 5 cm) thick.
Hold Tite™ hinge clamps are heavy-duty plated steel construction clamps and hold all wood or metal screens from 1/2" to 1-5/8" (1.27 to 4.06cm) thick.
All of these clamps are easy to use and the locking action firmly holds screens in place.