Nylon & Plastic Hammers for use with pvc windows, trims, fascia & soffit boards and especially with plastic headed pins and nails. With chrome plated heads. Thorex hammers are fitted with two durable white nylon faces. Worn faces can instantly be replaced by hand, minimizing downtime. All faces are one piece mouldings. There are no metal pegs or inserts which could damage the workpiece when the head is worn. Serrations in the metal head prevent faces loosening in use. Faces have a shoulder for extra strength and to prevent fracture form misdirected blows.