This heavy-duty "electrician's" style beam clamp is cast in stainless for superior strength and corrosion resistance. Designed for use on I-beams, channels, and other structural members, this beam clamp provides firm fixturing without drilling holes. Attachment holes in the back and bottom permit a wide variety of applications. Available in three sizes. Part Number Weight/100 (lbs) Load Rating (lbs)* 2001 25 150 2003 80 750 2004 148 1,100 *Based on upright installation, as shown from the bottom attachment hole.