Golf Training Aid: This Golf Putting Gates set is designed to help you master your putting skills and improve your and posture. It's an essential tool for any golf enthusiast looking to enhance their game Versatile Practice: The Putting Practice Gates Set allows you to practice at different distances, positions, and angles, for great accuracy in hitting the golf ball. It also helps in learning control and promoting better alignment of eyes and shoulders Portable Design: Easy to assemble, this Golf Putting Gates set is suitable for indoor, outdoor, and office use. Practice on the green anytime Reliable Material: Made of metal, these Golf Training Aid gates are sturdy enough to withstand repeated use while maintaining their shape and functionality Product Dimensions: The small gate has an inner diameter of 6cm/2.36inch and an outer diameter of 8cm/3.15inch; the medium gate has an inner diameter of 7cm/2.76inch and an outer diameter of 9cm/3.54inch; the large gate has an inner diameter of 8cm/3.15inch and an outer diameter of 10cm/3.94inch; base is 2.7cm/1.06inch wide and 1.5cm/0.59inch high Size Chart: Small Gate: Inner Diameter 6cm/2.36inch, Outer Diameter 8cm/3.15inch Medium Gate: Inner Diameter 7cm/2.76inch, Outer Diameter 9cm/3.54inch Large Gate: Inner Diameter 8cm/3.15inch, Outer Diameter 10cm/3.94inch Base Width 2.7cm/1.06inch, Height 1.5cm/0.59inch Color:Black Material:Metal Package Contents: 1 * Portable Golf Practice set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.