Enrick, CO. ROLL-OR-KARI dolly system to help move large items. A QUALITY PRODUCT designed to enable users to move a variety of items with ease and reliability. ROLL-OR-KARI has... been helping people move since 1941. When you buy a ROLL-OR-KARI you get a full set of two dollies and four web straps... ready to go... ready to do the job. Rubber and felt... on its own weight while in transport to avoid skidding or rolling. These features are unique with ROLL-OR-KARI trucks. P6B - Swivel Wheels on both ends S5B - Swivel wheels on one end...