The Sheffield 12117 2 Piece Folding Lock Back Utility Knife Set features our Sheffield 12113 Folding Lock Back Utility Knife and our Sheffield 12125 Mini Folding Lock Back Utility Knife to cover your box cutting, twine cutting and a variety of other cutting needs. A one-hand opening operation for ease of use allows you to cut through all obstacles such as paper, cardboard and more! This Sheffield Utility Knife Set also boasts a quick-change mechanism on both knives for a quick and easy blade replacement procedure; using standard utility knife blades. For even more attributes, this Sheffield Lock Back Knife Set is constructed of a lightweight aluminum handle and includes a belt clip for your convenience! As always, Sheffield's industry-leading Lifetime Warranty has your back. Patented Quick Change Mechanism Lock Back Release Lightweight Aluminum Texture Grip Handle Accepts Standard Utility and Mini Utility Blades (Depending on Knife) Pocket Clip 2 Piece Set - Includes (1) Full Size and (1) Mini Utility Knife Full Size Overall Length: 6 in. Mini Overall Length: 4 in.