The patent pending design of integral tongue and groove matches with TCH valance extrusions. 507-3100806 or 507-3101806 and 507-3103806 or 507-3104806. Sold as a set of one tongue and one groove clamp. The ZIP CLAMP replaces the current clamp/brace used in most cases. Constructed from rugged Die-Cast zinc. For 3/8" cases.
