Heavy Duty Bonsai Shears by Roshi Tools 7.5" (190 mm)
Roshi high carbon steel bonsai tools are famous for precision cutting, durability and excellent prices.
These shears are designed primarily for root pruning, though you can use them for top pruning if you prefer. It's best to decide though as it's not recommended to use the same shears for roots and tops. 7.5" (190 mm).