Golf Ball Balance Checker CHECK GO PRO Golf Ball Core Alignment & Center of Gravity Checker & Line Marker This device rapidly rotates the ball to find its center and draw lines. Utilizing physics, it's a golf sweet spot finder, perfect for improving putting accuracy. Please assess the condition based on the photos. 【Important Notes】 This is a used item. There may be scratches from normal use. Please understand that returns are not accepted due to personal reasons. Everything included is shown in the photos. This item is also listed on other sites, so it may sell out depending on the timing. Thank you for viewing. TaylorMade Titleist Callaway PING Mizuno Srixon RODDIO GTD PXG EPON RomaRo Mizuno Bridgestone BALDO MIURA GIKEN ODYSSEY PIRETTI Scotty Cameron Bettinardi L.A.B. TENSEI Diamana VENTUS Speeder Derapmax Tour AD Thank you for viewing.