●Set Contents: 12 pairs (24 pieces) x nylon cover, 1 storage box ●Uses: The nylon cover protects wires and metals while in use and reduces damage. Note: Please measure your pliers before purchasing ●Design: The resin parts are replaceable. Your pliers will look like new again! Very eco-friendly and economical. Comes with a storage box for convenient storage and organization ●[Replacement Method] No glue or screws required, and can be installed with simple tools. Insert the groove of the replaceable resin part into the pliers ●[Size] Nylon Cover: (25 x 9.9 x 7.6)mm / (L x W x H) Storage Box: (105 x 72 x 18)mm/ (L x W x H)