-RH means you wear your glove on your right hand. It should be included at the end of the model number on your order.
Because it also means that you throw with your left hand, be sure Throws With Left Hand is shown in the cart.
This 5150 Series Speed Cap is a swing speed measuring device. Exclusive for 5150 bats, the Speed Cap allows you to see which model best fits your swing and helps you reach your maximum potential. Remember, only 1 mph increase in your swing speed equates to 7ft added distance.