General description A pack of 100 security screws designed to prevent number plate theft, featuring a white flip top cap. These clutch head screws provide a permanent, one-way fixing for enhanced security. Technical specifications Size: No. 6 x 20mm Material: Stainless steel with a plastic moulded cap Cap colour: White Other information Security screws with different colour caps available: 30634 (yellow), 30635 (black), 30636 (blue)