... on machinery control box,swithboard,and electric apparatus. Nylon cable glands(metirc)1.threaded entry: metric2.color:black and grey3.working temerature ... .Material:Nylon 66 certificated by UL.5.Usage:used for cable fixing on machinery control box,swithboard,and electric apparatus etc ... .6.Protection:IP687.Standard: IEC698,CE,TUV brass metric cable gland(CE,IP68,TUV)