The Size 4 Thor Super Plastic Hammer is the heavyweight option in the range, delivering 1900g (4 1/2lb) of striking force through a substantial 50mm (2 in) diameter face. This robust model is ideal for heavy-duty engineering applications requiring maximum impact force, whilst maintaining the soft-faced benefits that prevent damage to workpieces and finished surfaces. Featuring a strong malleable iron head with ultra-high molecular weight polythene faces, this Size 4 hammer excels in demanding assembly, repair and maintenance operations. The replaceable faces provide exceptional abrasion resistance and high impact performance, maintaining their structural integrity without fracturing, splintering or delaminating even under heavy use. Features and Benefits:1900g (4 1/2lb) weight provides maximum impact force for heavy-duty applications50mm (2 in) diameter face delivers substantial striking surface areaUltra-high molecular weight polythene faces offer superior durability and abra