Ezy Dose® 7 Day Pill Organizer, Extra Large, 1 Pack of 6 Separation Barriers 1% selenium sulfide MSHQ 1594XL 1% selenium sulfide Replacement Caster 3 x 1 1 4 * All Single Wheel Castes Come With Removable Bolt And Locknut Allowing Disassemlby For Easy Cleaning And Removal Of Build Up Grime Thread Or Anything Else That Your Wheel Picks Up During Normal Usage * This Caster System Will Add Longevity To Your Casters * Swivel: Double Ball Bearing With Hardened Raceways For Extra Strength * Cover: Helps Protect Swivel Bearings * HD Casters Have Threaded Stem For Extra Security And Safety * Construction: Heavy Guage Cold Rolled Steel Formed For Strength * Total Lock Caster Both Swivel And Wheel At The Same Time * Operates With A Simple Tap Of The Toe large capitalized lettering for easier compartment identification The Ezy Dose 7 Day AM PM pill planner is what you need to manage multiple prescribed medication or organizing vitamins taken two times per day