Waterproof Multi-Hole Nylon Cable Glands for Electrical Enclosure, 3 Holes, Pack with 3pcs(1", Black) - Amazon.com
Seaview Grey ABS Plastic Cable Seal - UV Stable - Multi Cables (up to 2-17mm Each) [CGM17P-G]
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Multi-Hole Sealing Inserts – Leading distributor of electrical wiring connection and protection systems | Cable Connector & Protection Products in India | Controlwell.com
Waterproof Multi-Hole Cable Glands for Electrical Enclosure - FASTCABLING