PRODUCT FEATURES :Curved grader blade 5/8" x 6" Thickness of blade 5/16" 15" highway tires Main structure 8" x 8" x 1/4" Angle left/right 30° each side Pitch/tilt 15° each side Wheel out of true (slope) each side Blade leading angle adjustable Ripper up/down Straight bars to use in transport Jack to facilitate the attachment