Popular product, Field Force's axis foot rotation board! For a limited time New Year's discount, we will discount it to 4500 yen for those who make an immediate purchase by January 4th, so please contact us if you are interested!! My son used it for baseball practice and was able to use his axis foot well. It can also be used for checking fielding form. There are some minor scratches, but it is still usable! Please refrain from purchasing if you are nervous about used items. Supervised by Hirokazu Ibata FJKB-2085 "Axis Foot Rotation Board" that converts the power of the lower body into impact power. 1. The heel on the axis foot side does not lift off the ground. 2. The toes on the axis foot side swing outward. If you can't use your axis foot well, you will never be able to achieve a "powerful swing"! Therefore!! "Axis Foot Rotation Board" ----------------------------- Size: Approximately 22cm x approximately 12cm Material: Steel Weight: Approximately 280g