Standard Specifications Model: 68" Weight: 610# Height: 25" Depth: 36" Number of tines: 16 1" x 6" Grade 1060 cutting edge 2" End sheets -- grade A-36 HR P & O 7/8" Rods -- grade A-36 HR P & O 3-1/8" spacing Cast shanks with pin-on replaceable tips Heat treated tips -- grade ASTM 1038M