The OLFA L-5/LBB-10B 18mm Ratchet-Lock Fibreglass-Reinforced Snap-Off Knife Combo Set lets you work with confidence. With an ergonomic pistol-grip handle that contours to the hand, this knife will soon become your go-to cutting tool. The rugged stainless steel blade channel extends the full length of the handle to support heavy-duty cutting. The ratchet-wheel blade actuator allows for quick and easy one-touch blade extension. The knife includes a multi-purpose metal pick that is perfect for opening paint cans, removing plate covers, cleaning out the caulk and more. Plus the handle is chemically resistant to paint and MRO environments. The LBB 18mm ultra-sharp black blades are double-honed to produce an edge that is 25 Percent sharper than OLFA standard silver blades for maximum cutting performance. Use this utility knife for any heavy-duty cutting applications such as construction, drywall, carpet, flooring, and more. Includes: (1) L-5 18mm Ratchet-lock Fibreglass-Reinforced Snap-Off Knife, (1) LBB-10B 18mm Heavy-duty Ultra-Sharp Black Snap-off Blades (10-Pack)