The existing description says it is eco-friendly and made from recycled material
Tread & Core: Solid Cast Ductile Steel
Mechanically Locked To Core Core Type Polyolefin Swivel Radius 4-9/16" Bolt Hole Pattern 2-5/8" x 3-5/8" to 3" x 3" Bolt Hole Diameter 3/8" Durometer Shore D 60 (+/-5)
Wheel Diameter 4" Tread Width 2" Tread Type Rubber Vulcanized To Core Core Type Cast Iron Bearing Type Roller Bearing Wheel Color Black Overall Height 5-5/8" Plate Size 4" X 4-1/2" Bolt Hole Pattern 2-5/8" x 3-5/8" to 3" x 3" Bolt Hole Diameter 3/8" Durometer Shore A 80 (+/-5) Temperature Range -40° F to 180° F Part Number 28RS40JB0417YY
Wheel Diameter 6" Tread Width 2" Tread Type Steel Alloy Core Type Steel Alloy Bearing Type Roller Bearing Wheel Color Silver Overall Height 7-1/2" Plate Size 4" x 4-1/2" Bolt Hole Pattern 2-5/8" x 3-5/8" to 3" x 3" Bolt Hole Diameter 3/8" Tensile Strength 30
A-Frame Sheet and Panel Truck (Locking Wheels) 1200 - 1999 lbs Capacity The existing description says itProduct Overview Litle Giant A Frame Sheet and Panel Truck with Locking Wheels Panels can be loaded on both sides, with room between the uprights to transport additional materials. Capacity: 2,000 lbs. Select the required dimensions option on this product page. Key Features Capacity: 2,000 lbs 6" Phenolic casters w brakes All swivel Available in various deck sizes Dimensions options: 24"W x 48"L, 24"W x 60"L, 30"W x 60"L Ideal For Choose this product