Minerallac® Black Claw™ Conduit Clamp, Closed, 1/2 to 3/4 in Conduit, 25 lb Horizontal/100 lb Vertical Load, Surface Mounting, For Use With: 1/2 to 3/4 in EMT/Rigid/IMC Conduit, Specifications: Black, 1-Hole, (1) 1/4 in Mounting Holes OC, Spring Steel, 5/8 in L x 1-7/8 in W x 2 in H Dimensions