The Bahco P241 Bulb Planter is made of steel. Its sides slope inwards towards its serrated bottom edge which aids in penetrating the soil. The sloped sides of this garden tool hold the soil as you pull the bulb planter from the soil. The soil can be dumped out by turning the bulb planter upside down: shaking may be necessary depending on the soil type. There are depth indicators in the steel sides of the bulb planter. You can also use the Bahco P241 Bulb Planter to plant annuals. The handle is made of hardwood.