description rebar twintier tying tool kit battery operated in 1993, max developed the world's first battery-operated rebar tying tool for the japanese market. since then, max rebar tying tools have been revolutionizing rebar tying work all around the world. max is also known as a manufacturer who developed the world's first lithium-ion battery operated cordless power tool for professional contractor use. in 2011 max introduced li-ion battery operated rotary hammer drill and impact driver to the american market. same as other max products, max cordless power tools have advanced technologies and provide solutions to highly demanding construction work. battery and charger included. california proposition 65 warning. features greater protection against debris and moisture entering the tool 5 times faster than manual tying makes ties in less than 0.7sec. per tie with consistent tie strength high speed tying saves you time and money the twintier's dual wire feeding mechanism (patent pending) increases productivity the twintier's wire pull-back mechanism dispenses the precise amount of wire needed to form a tie, reducing wire usage the twintier's wire bending mechanism (patent pending) produces a shorter tie height use of the twintier reduces the risk of developing carpal tunnel syndrome and other muscular skeletal disorders tie between #3x#3 and #7x#7 rebar hang the tool from your belt while not in use lower power consumption per tie allows the twintier to produce approximately 4000 ties per charge rapidly load the dual wire coil with new quick load magazine design effortlessly open gears to quickly feed wire when loading the wire battery and charger included specifications acme tools brand name max usa acme tools part number rb441t assembled weight (lbs) 5.6 california proposition 65 warning required yes color / finish red and black country of origin japan cushioned grips / ergonomics no globaltradeitemnumber (gtin) 00093818305467 handle length (in) 5.5 internal supplier part # rb441t internet product code (ipc) b1b5ec2b0cf manufacturer warranty limited manufacturer warranty. see owner's manual for details. material rubber and plastic package weight 8 package weight (lbs) 8 tool material rubber and plastic tool type tying upc 093818305467