These durable buffer caps (plug-in caps) are made of soft silicone rubber and mostly used as end caps for tubes and to fill up small holes. These caps should be placed IN the tubes/holes. For a watertight seal a slightly larger diameter will need to be chosen. For example, to fill up a 5 mm hole, choose the plug with a D of 5.45 mm.
Which one do you need? Download the sheet that shows the types, shapes and dimensions of our caps, plugs and sleeves here
To prevent that a wrong size is purchased: take a good look at the picture and the dimensions below.
A (top thickness): 1.3 mm B (outside height): 5.4 mm C: 7 mm D: 4.4 mm
suitable for holes with diameters: 3.9-4.3 mm material: rubber color: black number of caps in this set: 300 pieces
internal name: I-RO-4.4-B-R
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