Wolf Garten Lawn Edge Iron 22.5cm RMM Garden Multi Change Lawn Care Weeding Multi change lawn care range is a comprehensive range of premium quality garden tools for a beautiful lawn year after year. To create the perfect lawn it is essential to remove organic matter from the grass roots and to tidy up any straggly lateral growth, every 6-8 weeks. This range will help you create the perfect lawn.esign with tines, prongs and blades that will resist bending, wear and corrosion. Classic lawn edging iron with a head for straightening lawn edges. With its traditional half moon design, it cuts off overhanging grass cleanly with its sharp, hardened blade. Blade stays sharp in use. Traditional half moon design. The working width of this quality product is 22.5cm. Part of the multi-change system, attaching it to a handle of the required height will prevent over straining.