The Sheffield 12525 2 Pack of Premium Folding Lock Back Utility Knives feature a one-hand opening operation for ease of use allowing you to cut through obstacles such as paper, cardboard and more! These Sheffield Utility Knives also boast a quick-change mechanism for a quick and easy blade replacement procedure; using standard utility knife blades. For even more attributes, these Sheffield Lock Back Knives are constructed of a lightweight aluminum and hardwood handle and include a belt clip for your convenience! So go ahead cut through twine, boxes and more with "ultimate" ease. As always, Sheffield's industry-leading Lifetime Warranty has your back..