Here are the unglazed ones I have, Just about every electric company probably had their own brand of wire accessories. Front Row Left To Right: P8, E Grey, E small grey, CP, JE, 8, P grey, 37, Raised Dot, Raised Dot large. 2nd Row: No Name, E grey, E grey, HiV uL, HI 7, Hi7 uL different embossing, Hi 1, Hi 7 uL different embossing, Hi7 uL, 3rd Row: 8G uL,7G uL, 5G, 5G uL, 3G, 3G uL, 2G uL, R over J medium, R over J, R over J large. Back Row: E large, E medium, E3, E different, C, Dot C, C medium, C large. Most of the unglazed types were used in high tempreature applications but could be used to insulate any wire connection.