✅ MAKERELE Cable Gland Plastic cable gland tool Nylon Waterproof IP68 Wire Glands Adjustable Locknut, with Gaskets: See expert answer to “What cable diameters does each size cover?” →PG7: 3-6 mm; PG9: 4-8 mm; PG11: 5-10 mm; PG13.5: 6-12 mm. Refer to the spec table for drill-hole diameters.