Drop-forged steel heads and fitted with fibreglass shafts. Manufactured in accordance with BS 876. Features: One of a comprehensive range of Premier Hand Tools, suitable for daily professional use Professional engineer's set High quality drop-forged steel heads Fitted with fibreglass shafts Manufactured in accordance with BS 876 Contents: 340g(12oz), 450g(1lb), 680g(1.5lb) Lifetime guarantee* Specifications: Guarantee:Life Model Number: AK2031