Electrical Snap Bushings (open/Closed) 3/8" - Open/Closed Snap Bushings keep wires intact.Electrical Snap Bushings (Open/Closed) 3/8" features include: Protect Wires, Tubing, etc. from sharp/uneven drilled amp; punched metal holes with smooth plastic chassis 1/8 maximum steel thickness Finger tip pressure snap-locks the open/closed snap bushing into the mounting hole Can be applied where cables are already installed Open/closed snap bushings can accommodate cables too large to fit through the inside diameter of a standard bushing Made from UL approved Nylon 6/6, 94V-2 UL Recognized Dimension Measurements = Inches Order Qty of 10 = 1 Bag of 10 Below is more info on our Electrical Snap Bushings (Open/Closed) 3/8"