The Stand-up TWINTIER® RB401T-E is the world’s first and only battery powered stand-up solution for tying #3 x #3 to #6 on #6 rebar combinations. TWINTIER® technology allows the RB401T-E to tie 4,600 ties per charge, while delivering just the right amount of wire for greater productivity and cost savings. Compared to hand tying this tool can greatly reduce the risk of musculoskeletal injuries.