Reddit reviews Sheffield 12116 Mini Ultimate Lock Back Utility Knife | Cut Boxes, Paper, Twine, etc. | Extra Quick-Change Blades Can Be Stored in Handle | Durable & Light Weight | Steel Blades, Aluminum Handle |Blue

A MUST FOR TRAVEL: With its small form factor—at just 4” of overall open length from blade tip to handle bottom—and its attached key chain, it’s easy to take this mini utility knife with you wherever you go; Cut through paper, twine, boxes, and more with the ultimate traveling knifePATENTED QUICK-CHANGE MECHANISM: Knife features two overlapping panels that swing open for easy blade changes, and hold tightly to each other when knife is in use, making this one of the easiest and safest box-cutting utility knives aroundSMALL YET POWERFUL: Weighing in at around 1 oz. of total weight, this mini utility knife provides enormous power in a small packageSAFE TO USE: Uses the same lock back mechanism as your favorite pocket knife to keep your blade open when it’s open and closed when it’s closedFULL SPECIFICATIONS: Patented Quick Change Mechanism; 2-1/2" Lightweight Aluminum Texture Grip Handle; Key Chain; Lock Back Release; 1 Oz. Total Weight; 4" Overall Length; Accepts Sheffield 12851 Mini Utility Blade