Helps develop a more reliable swing for improved accuracy and increased distance Composite guides provide instant feedback on swing path and plane Removable guides attach and reattach to allow you to easily change their position to train for any shot Bungie and magnet system prevent guides from flying away on impact from missed shots Alignment markers help build and reinforce proper setup and ball position Ultra-durable polycarbonate base Item Dimensions: 11.12 in wide x 4.37 in height x 18.82 in length Weight: 2.5 lbs Sport Type: Golf Skill Level: Advanced, Intermediate Training Type: Accuracy, Driving, Form Style Type: Adjustable Size: Small