Master provides a variety of products to protect you and your office furniture. As the industry's leading supplier, Master provides replacement casters for 99% of the office chairs on the market today. Contemporary design, strength and performance make these replacement casters an excellent choice for office and home furnishings. With appropriate stems and fasteners, all casters carry the manufacturer's guarantee against defects in material and workmanship. Master Standard Neck Safety Series 2 Inch Casters feature an internal brake which prevents wheels from rolling freely when the user stands up. The Safety Series also allows for smooth, effortless chair rolling while seated and minimizes chair movement when no weight is applied. These casters have 2" diameter wheels with full hoods and a weight rating of 100 pounds per caster. The Master line of office organization and repair products provides "do-it-yourself" quick and easy solutions for everything and everyone!