#1	Level 3 Green for more advanced rehabilitation strengthening sports fitness injury prevention
#2	Level 5 Black a real challenge for advanced strengthening used where hand strength is vital karate weight lifters golf baseball football
#3	POWERWEB will last for years with proper use and care
#4	Both hands can be exercised at once or a single finger isolated and exercised
#5	14 in diameter and weighs sixteen ounces