Since Max Co Ltd., invented the first battery powered rebar tying tool in 1993 rebar tying tool technology has improved in many ways over the past two decades. The battery platform has changed from Ni-Cad to Lithium-Ion which enables the latest model tool, the TwinTiers to form 4,000 ties per charge. The durability of the tools has improved due to the continuous R&D efforts of our over 200 engineers and the range of the rebar tying capability has significantly increased as well.