Reduce, reuse and recycle your yard debris with the new Silent Electric Wood Chipper + Shredder from Sun Joe. With a 15-amp electric, motor, the CJ603E is perfect for turning leaves, twigs, brush and branches up to 1. 73-inches in diameter into nutrient-rich mulch! With a reduction ratio of 21: 1, your yard and garden will be the envy of your neighborhood! Easy to assemble and virtually maintenance-free, this powerful electric wood chipper is ready to go when you are. And with its built-in safety stop that automatically engages when the hopper is opened, you'll feel at ease shredding your lawn debris. Clean up your yard, enrich your garden and Go With Joe.