Cotterman B4 Safe Lock Option $243.00 SKU: Option B4 Back $243.00 Quantity -+ Add to Cart Details Cotterman B4 Safe Lock Option - 5-Step & Up Safe Lock with 4" wheels. Foot-activated locking mechanism with swivel casters and rigid rear wheels. Avai...DetailsBackCotterman B4 Safe Lock Option - 5-Step & UpSafe Lock with 4" wheels. Foot-activated locking mechanism with swivel casters and rigid rear wheels. Available on 4-step & above.Product Code: Option B4See MoreSee Less