Thomas and Betts makes this 54906BE copper 1-hole compression connector with a straight long barrel. Long-barrel lugs are made for industrial applications with a heavy-duty design that permits additional crimping for added mechanical strength. Made for #4 AWG wire, it is color-keyed GRAY (die color) 29 (die code) for easy identification. Lug is tin plated with a blind end and takes one 1/4" bolt. Use the 272X240 die with the 272X100 Insulated head manual hydraulic crimper to properly install this lug.