Under Armour Classic Carbon Tech Batting Helmet, Scarlet Red, Adult (12+) The internal resistance and shaft

The internal resistance and shaft bounces the weight back and forth

5-Inch Above Ground Inlet and Outlet Fittings Set

Rotation Speed: 150

place it indoors or outdoors

Includes Black Case

Under Armour Classic Carbon Tech Batting Helmet, Scarlet Red, Adult (12+) The internal resistance and shaftUnder Armour Classic Carbon Tech Batting Helmet, Scarlet Red, Adult (12+), is a one size fits all with pony tail channel. Impact resistant durable ABS plastic shell, 12 vents. UA HeatGear fabric liner. AEGIS Microbe Shield kills bacteria. Meet NOCSAE Standard. Dual density foam liner system. Breathable, moisture wicking liner. Pre mounted hardware in helmet. First generation. Hat Size: 6 1 2 7 3 4 inch.