Amazon.com: Set of 2 6X1 1/4" Wheelchair Caster Wheels. 5/16" Bearings (Wheel with Solid Tire) : Health & Household
6 x 1-5/16" Plastic E-Z Ancors — MonsterFastener
ORGILL POLY 6X1.5-B 100049464 | Home Hardware Center
6X1.5 8X1.75 10X1.75 10X2.5 10X3 Solid Rubber Tire Hand Trolley Sack Truck Wheel with Plastic Steel Rim - China PU Foam Wheel, PU Solid Tire | Made-in-China.com