Caps as described. They are ABS plastic and appear to be a fairly tight fit, some are a bit loose so silicone is needed. Aside from being plastic, I do complain that they are a bit short, they should have been made about 1/8 inch longer to cover the entire screw head.
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Smartmi convector Smartmi Electric Heater Wifi Model convector with display white (Rostest EAC), CN, white
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Robot vacuum cleaner Roborock S7 with self-cleaning base RU, white
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