These wedges are designed for use in conjunction with the correct wooden handle when replacing damaged handles on hammers, axes 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 fibreglass replacement handles. Ref: UTTK11081