CobraTec Knives OTF (Out-the-Front) utility knife is a versatile and innovative cutting tool designed for a wide range of tasks. This type of knife is characterized by its unique opening mechanism, where the blade deploys and retracts out of the front of the handle by activating the switch. This OTF utility knife is constructed out of 6061-T6 aluminum. All interior parts are CNC machined for a precision fit and operation. The blades are interchangeable by simply pushing the spring loaded blade lock sideways on the designated arrow on the carrier to remove and install standard box utility blades. The clip is designed for right hand carry.Uses standard refillable utility blades.