Gibraltar SC-GROBOKEY RoboKey Speed Tuning Key

The Gibraltar ROBOKEY Speed Tuning Key is a simple yet ingenious device designed to make drum head changes quicker than ever. Every turn of the wrist spins the drum tension bolt 4 times (in or out). With no batteries to change or adapters to lose, the RoboKey is designed to last a lifetime.

You can increase speed up to 6x and more by spinning the gear drive and the handle in opposite directions.