HEAVY DUTY LOW PROFILE BUCKETS ARE MADE OUT OF 1/4' STEEL VERSUS MANY OTHER MANUFACTURES USE ONLY 3/16" STEEL. SIDES ARE REINFORCED WITH 3/8" STEEL. CUTTING EDGE IS MADE OUT OF 3/4" Thick AR400 ABRASION RESISTANT STEEL. ALSO THE BOTTOME IS REINFORCED WITH 3" WIDE BY 3/8" THICK RUNNERS ACROSS BOTTOM. COME EITHER AS SMOOTH CUTTING EDGE OR CAN ADD PENGO TEETH. CALL FOR AVAILABILITY OR QUESTIONS. 636-233-0644 THANK YOU