Kopex-Ex™ ISR Fitting provides 100% pull-out performance with no external clamping required. Compact and sturdy construction for harsh environments. Gland nut laser-etched certification markings, visible no matter where it is installed. Chuck ring unique over-molded design provides strength and flexibility. Sealing bushing performs in extreme temperature -50 to 110°C and provides dependable seal against dust and liquid. Sealing O-ring wide and flexible, adapts to variations in knockout. Easy installation, no disassembly. For tray cables and flexible cords.