Friction Brake & Ratchet

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The Friction Brake allows you to aid your PID controller in holding an arm, elevator or another subsystem in place or even completely hold your mechanism in place without any motor power! Easy integration with your design Same 1.875" bolt pattern as the VersaBlocks Note: Pneumatic Cylinder not included, must be purchased from McMaster: 1691T142 Access User Guide, Kit Contents & More! Show more