HASSLE-FREE ASSEMBLY- Shank Height: 18'. Shank Width: 8''. We provide a complete set of mounting fittings. The box blade can be easily attached to the tractor via the four-point holes without any complicated procedure. ADJUSTABLE SHANK- Hole Interval: 1-1/2'. Hole Diameter: 1/2''. Each shank has four-position adjustment holes that pin to the reinforced frame for maximum efficiency. You could adjust it according to your specific needs. HEAVY-DUTY STEEL- Our box blade is made of premium quality steel for excellent durability and reliability. It is powder-coated, making it long-lasting and rust-proof. REMOVABLE & REPLACEABLE- Tooth Length: 4'. Tooth Height: 2'. The box blade is a very maneuverable tool that does the work of several implements. There are six replaceable teeth for your flexible use. EXTENSIVE USE- Box blades are designed for rugged use by landscapers, farmers, and homeowners. They are great for landscaping, land leveling, back-filling, grading, etc.