High quality, durable fiberglass and nylon design. Improves putting alignment, stroke length, eye line, ball position, swing plane, and more. Includes a portable and lightweight storage tube for easy storage in your golf bag. Effective visual training aid that helps golfers improve technique anywhere. Easy-to-use putting aid designed to benefit golfers of all skill levels. Specifications: Material: Durable Fiberglass Stick Length: Approx. 24 cm (9.4 inches); Diameter: 8 mm (0.3 inches) Line Length: Approx. 300 cm (9.8 ft); Diameter: 2.5 mm (0.1 inch) Color: Black + Green Package Includes: 1 Piece Golf Training Aid Note: Please allow slight differences due to manual measurement. Colors may vary slightly depending on monitor settings. Thank you!