Teaches players to adjust their angle in pursuit and wrap up in the open field PolyFoam 22 oz. coated vinyl in center and outside 19 oz. coated vinyl on face of wheel Dimensions: 42" outside diameter x 20" inside diameter x 9" thick The Fisher Football Pursue and Tackle Wheel is a great training aid for tackle drills that reduces injuries to players. The tackle wheel is constructed of rebound foam with a durable coated vinyl covering. Helps teach players to adjust their angle in pursuit and wrap up players in the open field.