Product inclusion : 8inch Concave Cutter, 8inch Knob Cutter,8inch Trunk Splitter and 8inch Bonsai Scissors | Concave Cutter:used for pruning bonsai fork branches. After the concave cutter are pruned, a concave fish-shaped incision is left, so that the resin healed by the plant will cover the concave incision, and the traces left by the cutting can not be seen. | Knob Cutter:used for pruning bonsai tree tumors, knots. When the knuckle is trimmed, a concave spherical incision is left, so that the resin healed by the plant will cover the concave incision, and the traces left by the cutting can not be seen. | Trunk Splitter: used for bending or branching. | Bonsai Scissors:used for pruning bonsai leaf buds, tender branches, twigs, long handle design.