Morris 22562 Cable Gland with Strain Relief, Nylon, Metric Thread, 0.47" Mounting Hole Size, 0.12"-0.26" Cable Size Nylon Cable Glands With Strain Relief - Strain Relief Cable Glands are easy on cables. Extended Cord Support Strain Relief Feature Seal & clamp system allows the cord connector to tighten in a circular sequence on the sealing ring to give outstanding strain relief without twisting or damaging the cable Simply push the cable through the liquid tight Nylon strain relief & tighten locknut for quick installation Threads into your panel for clearance, locknut included