V-Groove Track Wheel 1200 lb Load Rating 1000 to 2999 lb 6 in Wheel Dia 2 in Wheel Width Stainless Steel Wheel/Tread Material Extra Hard Wheel/Tread Hardness Rating 201 BHN Wheel/Tread Hardness Precision Ball Wheel Bearing Type V-Groove Tread Shape For Axle Size 1/2 in 7/8 in Groove Width Included Includes Spanner Bushing Stainless Steel Wheel Core Material Yes Non-Marking 2 1/2 in Hub Length