ASI 3012040 Nickel Plated Brass Cable Gland, Strain Relief Cord Grip, Type 2900.29N, PG 29 Threads, 40 mm Nut, 17 mm to 25 mm Clamping Range (Pack of 25): Amazon.com: Industrial & Scientific
ASI 3012812 Exe ATEX Nickel Plated Brass Cable Gland, Strain Relief Cord Grip, M16 x 1.5 Threads (Pack of 100): Amazon.com: Industrial & Scientific