From the Manufacturer Makita accessories quickly provide new and innovative Connect system. The Ultraloc is a fast connection to the accessory system that users can drill accessory changing quick and easy to use. The U.S. had Ultraloc has a unique dual-spring design for one-handed action. It also has a port that all other brands or Makita 3/8-inch and 1/2-inch drill bit fits. The Ultraloc a universal connection with this assertion, the elimination of popular Spinout 1/4-inch hex shank drill well. Ultraloc ago to remove a simple two-stage drilling procedure: Just pull and let go. It is 100% faster than the change bits with a keyed chuck and is up to 75% faster than the runs without a key. The system is Ultraloc