Item Name: Black Rubber Grommet SKU: BLACK RUBBER DONUT Description: Black Rubber Grommet is a black rubber donut style grommet designed to cushion, protect, and seal around a pass-through point. It is constructed from flexible rubber with a defined inner opening and an outer lip that seats into a panel or opening. In glassblowing and lampworking setups, grommets like this are commonly used anywhere tubing, cords, or small lines need to pass through a hole without chafing, vibration wear, or sharp-edge contact. It is especially useful for protecting hoses and lines on benches, carts, or equipment panels where movement over time can damage the line or the surface. How it is used: Insert the grommet into the hole or opening so the seat lip locks into place. Then feed the tubing, cord, or line through the inner opening. The rubber compresses slightly to hold position and create a protective barrier between the line and the edge of the opening. Dimensions: 12 mm ID 18 mm OD 3 mm deep seat 3 mm wide seat 14 mm seat OD
