Cable gland M22 x 1.5, 8 pieces, with gasket

The first picture shows everything included.

M22x1.5 Cable Gland, 7mm-12mm Wire Hole, Waterproof Nylon Joint with Adjustable Lock Nut and Washer, Black, 8 Pieces

Comes with lock nuts and washers. Waterproof rating up to IP68. Waterproof, dustproof, acid-resistant, alcohol-resistant, etc. Easy to install and helps clamp cables. Ideal accessory for junction boxes or wherever you need to insert cables. Using cables can allow water to enter live electrical components. Using a correctly rated cable compression gland will maintain the item's waterproof integrity.