Australian designed and made Hamilton tree planting tool. All stainless steel construction, with plastic hand grips. Select the model for the tubestock you are planting. This model is designed for planting square Super Forestry Tube seedlings, with the Super Forestry Tube typically being squre 68mm at the top, 52mm wide at the base and up to 180mm deep. Hamilton Tree Planters make a planting hole the right shape and depth for the seedling type, eliminating air gaps. Planting depth is determined by how far the planter is pushed into the ground. 100cm long, handles 34cm across, weight 2.7kg.