Radius Garden 102-Blue Ergonomic Aluminum Weeder (Discontinued by Manufacturer) Ergonomic design features a patented, high performance, natural grip that minimizes hand & wrist stress while maximizing power & comfort to provides a secure grip - wet or dry The ultra-light polished aluminum/magnesium blade is surprisingly light and remarkably strong and has an exceptional strength to weight ratio Serrated blade slides through compacted roots and earth Use back blade wings to pull roots and weed systems These amazing tools are so strong and durable they carry a Lifetime Guarantee, so if they ever were to break, Radius will replace them