This Lockmasters Dial Puller Expansion Cup is a must-have for any locksmith. Its dial puller type make it a versatile tool for any job. The cup is designed to fit most dials. The brand Lockmasters is known for its quality products, and this dial puller is no exception. It is made to last and will provide a reliable service for years to come. Whether you are a locksmith or a safe driller, this dial puller is a great addition to your toolbox.