Due to its popularity, counterfeit SPT Masterkeys have flooded online marketplaces. To ensure authenticity:

A: No. It is a driver, not a drill. Using it to drill holes will damage the ratchet mechanism.

“I’ve been an avionics technician for 22 years. The SPT Masterkey is the first tool I’ve used that I’d call ‘perfect.’ The torque click is so distinct that I can work blind inside a panel and know I’ve hit exactly 7 in-lbs.” —