Baseball Field Chalker: this baseball chalk line machine has a 50 pound field dry line chalker material capacity, line width adjustable from 2" to 4", and comes with a steel shaft and ABS plastic agitator for more even powder distribution; Suitable for most sports fields Material: this sports field dry line marker is made of quality heavy duty steel construction, which can effectively prevent rust; It comes with 4 heavy duty hard rubber tires, and 2 replacement wheels, 1 front replacement wheel, 1 rear replacement wheel, which provides extra durability and stability for precise marking of sports fields; Even if pushes effortlessly over the roughest terrain Practical Design: the baseball field chalk liner has a capped top to help keep marking material safe and dry; Features a steel handle and chassis with double welded construction, and adjusts the chalk line to 2" or 4" at the handle without having to bend over; The hand push area is equipped with thickened sponge to keep your hands comfortable at all times without getting hurt Assembly Required: this dry line marker machine requires assembly; The package comes with installation instructions; Our video also has shooting installation tutorials; You can also install according to our video steps; If you have any questions, please feel free to contact us at any time Suitable for All Sports: this field dry line chalker machine is suitable for painting all athletic field: baseball, softball, football, soccer, hockey and more; Baseball field chalk is easy to use and clean; It is the nice machine for marking the field of competition in various sports for leagues and schools › See more product details