VORTEK FOCAL: The Focal is a large heavy duty knife built for hard use tasks that require a tough knife. It has a 3.91” long D2 steel blade, G10 Handles, a ball bearing pivot system for smooth opening and closing, and an axis lock for superior blade locking. Specifications: mODEL nUMBER: VT-131GR Blade Finish: Stonewashed Model Name: Focal Handle Material: G10 Overall Length: 9.25" Handle Color: Black and Green Blade Length: 4" Liner Material: Stainless Steel Closed Length: 5.25" Liner Color/Finish: Stonewashed Blade Thickness: 0.15” Pocket Clip: Tip Up Blade Width: 1.04” Clip Material: Stainless Steel Weight: 6.67 oz Screws Material: Stainless Steel Blade Material: D2 Pivot Assembly: Ball Bearing Blade Hardness: 58-60HRC Locking Mechanism: Axis Lock