The cable gland is made from polyvinylidene fluoride (PVDF), a type of multi-material cable gland with PVDF, TPE and OP components. Its reference number is 21456.4 and it's known as the PG 29 MULTI CABLE PVDF/TPE/OP - Cable Gland Polyvinylidene Fluoride (PVDF) PG29 Opaque from Adibuja.