These wedges are designed for use in conjunction with the correct wooden handle when replacing damaged handles on hammers, s and other striking tools. Includes malleable steel hammer wedges and wooden wedges and when fitted correctly, they provide a secure and safe attachment of a striking head to a wooden handle. Kit consists of 2 Steel Wedges : 12mm Width (Size 1)1 Wooden Wedge : 17 x 25mm Suitable for head weights 4oz to 1lb 2 Steel Wedges : 15mm Width (size 2)1 Wooden Wedge : 25 x 35mm Suitable for head weights 1lb to 2.5lbs 2 Steel Wedges : 18mm width (size 3)1 Wooden wedge : 30 x 30mm Suitable for head weights 3lb to 7lbs 2 steel wedges : 21mm width (size 4)1 wooden wedge : 30 x 40mm Suitable for head weights 10lb to 28lbs Note Hammer wedges are NOT suitable for use with fibregl replacement handles.