Used Fluid Drain Pallet Jack Accessories & Wheels What wheel material is listed

What wheel material is listed for this product

Sold in packages of 8

Brand Durable Superior Casters Wheel Diameter 4" Tread Width 2" Wheel Color Gray Tread on Black Core Load Capacity 1000 Lbs

Straight extension

Pump Ratio: 21

Used Fluid Drain Pallet Jack Accessories & Wheels What wheel material is listedProduct Overview Lincoln Used Fluid Drain 20 gallon Model 3618 features a stable, low profile tank design and large 18" offset bowl with metal filter screen. Bowl height is easily adjustable by loosening and tightening a friction style lock ring, and a special telescoping tube design eliminates the need to extend the bowl during evacuation. Pump assisted used fluid collection and transfer systems are ideal for large multibay shops and applications or