Ergonomic design has high performance natural grip that minimizes hand and wrist stress, maximizes power and comfort; Provides 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. For bulbs and transplanting. Optimized blade with depth markings for precision planting. These amazing tools are so strong and durable they carry a Lifetime Guarantee, so if they ever were to break, Radius will replace them.