O-Z/Gedney Ground Clamp, Series: CTGC, Aluminum/Copper Conductor, 6 AWG to 250 kcmil Conductor, Extruded Aluminum, Tin Plated Finish, 2 in H x 1-3/4 in W Dimensions
1/4 in hex wrench tightens both tray and conductor set screwsTray gripping serrations bite through insulating oxide on surface of aluminum trayFor 1/2 in max straight tray rail, or 1/4 in 90 deg tray rail