Down Press Clamp Straight Rail (for 350-CS and 550-ES) Low compression training balls help

Low compression training balls help kids learn tennis at an early age by promoting long

you can quickly set up your Tourna Mini Ballport and start enjoying its benefits without any hassle

Use for batting practice and ball machines

High Visibility Design: The bright white color of these hard plastic baseballs ensures high visibility during practice

Redesigned bottom picks up all balls effortlessly

Down Press Clamp Straight Rail (for 350-CS and 550-ES) Low compression training balls helpDown Press Clamp base Straight Rail fits the 350 CS and older 300 CS machines, and the 550 ES Includes one rail and one clamp base Excludes clamp Sold one at a time. Select 2 for a pair. Warranty voided if clamp is separated from the rail Not a universal fit for other stringing machines