Width adjustment range: 6" to 33" Heat treated blades, bolt-on for easy replacment Hillers use heavy duty ball bearings and a 3/4" arbor bolt The Garden Bedder is equipped with both a Category I and a Category I narrow hitch for sub-compact tractors. The 50 inch multi hole toolbar allows the bedder shanks to be adjustable for widening or narrowing the bed.   The 14 inch disc hillers have two sealed bearings to keep the dirt out,  and bolt on for easy replacement. The optional furrow attachment with shovel point to lay off a row, bolts to the front of the beam. The shovel point can be changed to a different size if a larger row width is needed. The furrow attachment with shovel point weighs 15 pounds. BUILT TO HIGH QUALITY STANDARDS AT A LOW PRICE MODEL WIDTH WEIGHT CATEGORY GB 50 50 Inches 87 Lbs. 3 Pt. and Narrow 3 Pt. OPTIONAL: FURROW ATTACHMENT 16 Lbs NOT INCLUDED