Bernoulli curved blades maintain the best angle to grip the object being cut — cuts smoothly from the base of the blades all the way to the tip Long blade enables efficiency for cutting objects with length Smart handle is designed to smoothly cut loose threads on cloth with one hand Secure locking structure that follows the natural finger movement — take off cap and slide handle to unlock with one hand Comes with safe, plastic blade covers that will not damage the content of pouches and pen cases Excellent for cutting white brakes.