1) Waterproof IP68 degree, CE,RoHs ATEX approvals 2) Brass with nickel plated for lock nut, body,sealing nut parts, NBR rubber. Metal Cable Gland - M Series Metric threadProduct NumberThread sizes AGApplicable to cable(mm)Thread diameter(mm)Board caliber(mm)Thread length GL(mm)H bond length(mm)Wrench diameter (mm)JX-M8M8*15.5-288-8.251612JX-M10M10*16.5-31010-10.271914JX-M12M12*1.56.5-31212-12. ...