Speed Prince SAKURAI with Speed Measurement Function [Operation Confirmed]

Sakurai Trading (SAKURAI) CALFLEX Promark (Pro Mark) Sokkyu Ouji (with distance measuring tape / easy speed measurement) Hardball Baseball Pitching Practice (Ball Speed / Training / Pitching Practice) Sakurai Trading LB-990BCA

Used outdoors about 3 times. There is some discoloration and dirt, but it is usable. As shown in the photos, there is some rubbing of the print.
Please understand that this is stored by an amateur.

Purchase price: 5,954 yen

Almost equivalent to the baseball size and weight standards set by NPB and MLB.
Diameter: 72mm
Includes distance measuring tape
Material - Surface: Synthetic leather
Sewing thread: Polyester
Easy ball speed measurement