Ultimate pitching machine replacement part Nylon Support Block with Knob.
Description: This is the black plastic plastic piece that is attached to the upright handle which the Throwing Arm presses against when cocked to throw.
You are purchasing the release block and the Star Knob that holds the release block in place.
This is used on the Louisville Slugger Ultimate Pitching Machine, Also known as the Blue Flame, and the UPM 45 Pitching machine as well as the Ultimate Pitching Machine.
Description: This is the black plastic plastic piece that is attached to the upright handle which the Throwing Arm presses against when cocked to throw.
You are purchasing the release block and the Star Knob that holds the release block in place.
This is used on the Louisville Slugger Ultimate Pitching Machine, Also known as the Blue Flame, and the UPM 45 Pitching machine as well as the Ultimate Pitching Machine.
