PUNCTURE REPAIR MAXISEAL ( WITCHES HAT ) 6mm (24 pack)Easiest and most popular method to fill a nailhole and apply in one simple step. The lead wire guides the rubber stem through the injury. A one piece moulded rubber plug patch unit for nailhole repairs in the tread area of radial and cross ply tyres. The stem is coated with self vulcanising material and the patch features versacure bonding gum. Use with a reaming tool and Supersolution fast dry cement.