Type: PG7 with Strain Relief; Fit for Cable Diameter:4.5mm - 7.8mm / 0.18" - 0.31".. Thread Diameter: 12.5mm / 0.49"; Thread Length: 8.5mm / 0.33" .. Made from nylon material; Waterproof rated up to IP68.. Waterproof, Dust-proof, Anti-acid, Anti-alcohol and so on.. Perfect accessory for junction boxes.Easy to install, help you clamping cable..
