ProActive Sports F4 Turbo Swing Weights (Pack of 3)Add on weights attach to the end of the F4 Turbo Collapsible Resistance Trainer to fine tune your swing. Increased weight plus increased strength equals increased distance off the tee. Each weight adds 2 ounces.
Natural Wind Resistance Strengthens Core Muscles. Increase club head speed for extra distance. F4 promotes extension and proper swing path. Training grip reinforces proper grip. Great for golfers of all skill levels. Promotes release and full finish. Great packaging will help this awesome New product sell. Golf trainer uses wind resistance to strengthen core muscles. Helps promote extension and proper swing path. Built in training grip helps develop proper grip. Enables release and full finish. Designed for golfers of all skill levels. Dimensions: 15.25 x 20.5 x 13.