Kershaw Blur Assisted 3 3/8 inch Black Combo Blade with Glass Breaker is a ideal knife to be used around the garage or on the job. The recurve blade has excellent piercing and slicing capabilities enabling multitasking. The aircraft aluminum handles make the knife tough as well as lightweight. The carbide tip comes to excellent rescue during emergencies like breaking open a windshield. The Trac-Tec grip tape inserts ensure secure grip in non-optimal environmental too. The SpeedSafe assisted opening makes it easy to open the knife. The Locking Liner locks the blade in position while use, on opening the knife. Unlocking requires you to press just the spring loaded lock. This knife could even be opened with a single hand, which makes it an important feature during an emergency. The overall size of the knife when closed is 4 1/2" and it weighs: 4 oz.