4" x 2" Ductile Steel V-Groove Wheel Kingpinless Swivel Brake Caster - 1250 Lbs Capacity u-groove-wheel 10" x 2-1/2" Cast Iron

10" x 2-1/2" Cast Iron Rigid Caster - Part # Q7110R01STL

Ductile steel is a step up from cast iron

Combined Caster Capacity: 4800

making it ideal for industrial and high-load applications

While not designed to run on flat iron

4" x 2" Ductile Steel V-Groove Wheel Kingpinless Swivel Brake Caster - 1250 Lbs Capacity u-groove-wheel 10" x 2-1/2" Cast Iron4" x 2" Ductile Steel V Groove Wheel Kingpinless Swivel Brake Caster Part # P51042DVRBTLB V groove wheels are designed to guide equipment by rolling on inverted angle iron track, however, they can also operate off the track thanks to the tread on either side of the v groove. Ductile steel wheels are the next level up in capacity & durability from cast iron wheels. Made from a combination of alloys that provide excellent tensile strength, these wheels