A pack of nail plugs each with with a nylon plug. These are made from steel which has been electro. galvanised (zinc coated). They are commonly hammered into a pre-drilled masonary to secure fixtures and provide extra stability beyond a standard screw connection. These can be easily removed with a screwdriver.
This model is ⌀6.0mm x 40mm, designed with a recess to fit a PZ 2 screwdriver bit.
Sold in boxes of 100 pieces.