Vehicle registration plates are at risk from being stolen and used for criminal purposes. The fixings supplied in the kit are 'anti-tamper' one way security screws, a straight replacement for your existing registration plate screws. This Kit includes :- Security Caps 2 x White 2 x Yellow 4 x Black Anti Tamper Security Screws (four in each size) 19 x 3.5mm 19 x 4mm 19 x 4.5mm 12 x 5mm 20 x 5.73mm Installation instruction leaflet is also contained in the kit.