MAX developed the World’s First battery powered rebar tying tool. Since then MAX Rebar Tying Tools have revolutionized rebar tying all around the world. MAX has continued improving rebar tying technology, which led to the invention of the Twintier RB441T, a dual wire feeding rebar tier. The latest technology allows 4,000 ties per charge, while delivering just the right amount of wire for added productivity and cost savings. These innovative features make the Twintier the best and most innovative and efficient rebar tier in the Industry. Today, MAX manufactures a full line of rebar guns that can tie between mesh up to #8 x #9 rebar.