This box of 25 EMERSON BH500 BEAM CLAMP 15/16 inch Jaw opening is a great addition to your fasteners and hardware collection. Made by top brand Emerson, these clamps have an open end type and a thread size of #15, making them suitable for a variety of industrial and business applications. These clamps can securely hold beams in place, adding an extra level of safety to your construction or maintenance projects.