Wilkinson Sword razorcut pro anvil pruner has traditional design with two opening positions depending on the users hand size. They include a zinc alloy anvil with sap groove extra high quality SK3 Japanese steel blades. Drop forged anodized aluminium handles provide extra strength and durability, while large rubber buffers absorb shock and a two position catch gives medium or large opening. Cutting diameter: 22mm. Wilkinson Sword provide a 10 year guarantee.