Innovative ¡°One-piece¡± Pusher won¡¯t fall apart during use. Pusher is ball bearing-driven for near zero turning resistance. Pusher is heat treated for long-lasting strength and durability. Forcing Screw and Pullers have powerful 1-1/8¡± diameter x 11 threads for years of reliable service. Includes two pullers to cover large and small dual wheel applications. Components have black oxide or bright nickel plating finish for rust and corrosion resistance. Use with air impact wrench. Components are laser-etched for easy identification. Comes in a sturdy, compact, easy-to store case; 6.5¡± x 9.5¡± x 2.5¡±. Proudly Made in USA.