The Tubeless Tyre Repair Nails are made of black rubber and come in a set that includes 10 small and 10 large nails. These nails are used for puncture repair on car, motorcycle, or van tyres. They are designed to be used with a vacuum tool for a quick and efficient repair process. Perfect for bike maintenance and ensuring a smooth ride without the worry of punctures. Small 1-3mm Large 3-5mm