664-2899, RS PRO, RS PRO Clip On Cable Markers, Black on White, Pre-printed "-, +, 0 → 9, E, L, N, R, S, T", 2.7 → 3mm Cable RS PRO Clip On Cable Markers, Black on White, Pre-printed "-, +, 0 → 9, E, L, N, R, S, T", 2.7 → 3mm Cable