With its robust metal housing and ergonomic grip zone, this trapezoidal blade knife is ideal for use in the trades. The shape ensures optimum power transmission and supports fatigue-free working. The blade is retracted and extended using a slider. You can easily change the blades at the touch of a button, no additional tools are required. Use the separate cutting zone to cut cords and cords quickly and safely. Use the niche to guide the tape to be cut safely to the blade under tension. An integrated magazine ensures the blades are stored safely. 5 interchangeable blades are included.