ASI 3001319 Waterproof M25 Plastic Cable Gland with Locknut, M25 Thread,10mm to 17 mm Clamping Range, Light Gray (Pack of 10): Amazon.com: Industrial & Scientific
uxcell PG7 Black Plastic Waterproof Cable Wire Glands Joints (Pack of 10): Air Tool Fittings: Amazon.com: Industrial & Scientific
Waterproof Cable Gland Parallel Short Threaded IP68 Cable Range 6-10mm Electrical Bulkhead