The add-on TrimmerPlus GC720 garden cultivator can be used to turn soil at the beginning and end of each growing season, keeping the soil and nutrients fresh. This cultivator is easy to maneuver in small plots. This cultivator utilizes four steel tines to dig, tear through, and turn existing flower beds and vegetable gardens using a durable 40:1 gearbox that maintains power and torque to the tines. Steel tines have several variations on each tip designed to dig, tear and turn.. (4) 8-bladed steel tines. Poly guard keeps dirt, dust and debris away from operator. Model # 41BJGC-C902. Premium 40:1 die-cast gearbox maintains power and torque. 2-year limited warranty