Features: Made of high quality PP and iron, it is durable and has a long service life. The gears are made of metal and will not be cut or damaged by the frame wires. The tractor tool is designed for nesting boxes designed for people who are still using traditional hand-drawing methods to provide tension and detach the frame wires. Using this tool to secure wire or stainless steel wire to the box is an essential tool for beekeepers. To use: Place on the finished wire, hold it tight, then pull it along the wire, it will crimp the wire and tighten in one action. Specifications: Condition: 100% Brand New Material: PP,Iron Size: Length: approx. 13.3cm / 5.2in Width: approx. 6cm / 2.4in Package list: 1 * Wire Tightener Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1、Made of high quality PP and iron, it is durable and has a long service life 2、The gears are made of metal and will not be cut or damaged by the frame wires 3、The tractor tool is designed for nesting boxes designed for people who are still using traditional hand-drawing methods to provide tension and detach the frame wires 4、Using this tool to secure wire or stainless steel wire to the box is an essential tool for beekeepers 5、To use: Place on the finished wire, hold it tight, then pull it along the wire, it will crimp the wire and tighten in one action