*Cannot be used for batting practice or wall practice.・You can effectively strengthen your wrists and fingers as if you were in actual combat.・WB-500J is perfect for youth and women.
Softball weight ball
Product model number: WB-500J Color: Black Size: Approximately 68mm in diameter Material: Nylon Type: Baseball Package size: 16.7 x 9.9 x 7.4 cm; 420 g Suitable for: Unisex (youth)
![SAKURAI [Sakurai Trading] Promark Soft Weight Ball 400g WB-500J](http://megashopjapan.com/cdn/shop/products/71P9t2Jv5uL._AC_US1200_7174beb3-fd74-4747-8b3b-5192cd457cea.jpg?v=1710379130&width=1445)
![SAKURAI [Sakurai Trading] Promark Soft Weight Ball 400g WB-500J](http://megashopjapan.com/cdn/shop/files/616Lx3jua2L._AC_US1000.jpg?v=1714442135&width=1445)
![SAKURAI [Sakurai Trading] Promark Soft Weight Ball 400g WB-500J](http://megashopjapan.com/cdn/shop/files/61ATcOlEXCL._AC_US1000.jpg?v=1714442135&width=1445)
![SAKURAI [Sakurai Trading] Promark Soft Weight Ball 400g WB-500J](http://megashopjapan.com/cdn/shop/files/617iOoA704L._AC_US1000.jpg?v=1714442135&width=1445)