Park Tools FR-4 Atom Splined Freewheel Remover Upgrade your toolkit with the highly efficient Park Tools FR-4 Atom Splined Freewheel Remover. This premium quality tool is designed with a thin wall construction for convenient use, eliminating the need for removal of cones and locknuts. It's perfect for both wrenches and bench vises with its one-inch base. As a part of Park Tools' distinguished lineup, the FR-4 Freewheel Tool Atom stands out for its durability, ease of use and innovative design. Whether you're a professional mechanic or a DIY enthusiast, this tool is certain to enhance your gear maintenance capabilities. Thin wall construction for easy use without removal of cones and locknuts One-inch base compatible with wrench or bench vise Durable and high-quality design from leading brand Park Tools