GoFit Massage Bar 18" Plastic Awakens tired muscles pre-workout & helps knead aching muscles post workout great way to relieve stress & rejuvenate muscles Includes 1 massage bar & training manual Dime: 19"L x 1.25" dia Roller SizeLength: 8" Diameter: 2" Trigger-point deep tissue firm relief surface Smooth action ball-bearing roller system Ergonomic handle design Includes: One Extreme Massage Bar and Training Manual