General-purpose nylon plugs from the company Friulsider, suitable for all basic materials such as:

• concrete
• lightweight concrete
• brick
• gypsum board
• cement block

Suitable for all screws, including screws with a washer (machine screws). Available in the following sizes:

• 6 x 30 in a package of 100 pieces
• 6 x 50 in a package of 100 pieces
• 8 x 40 in a package of 100 pieces
• 10 x 50 in a package of 50 pieces
• 12 x 60 in a package of 25 pieces