RBT, In addition to being a secure carry platform for the two standard CTC sight adjustment Allen wrenches, the Range Bag Tool (RBT) is a shooters utility pocket tool designed by Glenn Klecker. It has a 1.775" high carbon stainless steel blade with a Combined Razor-Sharp & Triple-Point Serrated edge, fold-out screwdriver blades, both flat and Phillips, plus a bottle opener. The two CTC Allen wrenches are securely held in slots between the stainless steel InterFrame and Zytel® scales. A removable stainless steel pocket/gear clip is included. SPECS: Dimensions Open Overall Length 4.5 inches Closed Length 2.625 inches Weight 2.8 ounces Blade Length 1.875 inches Thickness 0.072 inches Material 5CR13 Blade-HRC 51-53 Finish Satin Grind Hollow Style Drop Point Edge Combo Handle Material Polypropolene Liner 2CR13 Lock Type Slip Joint Carry Carry System 1 Position Clip Features Bottle Cap Opener Yes Flat Blade Driver Yes Phillips Driver Yes 0.028" & 0.050" Hex Wrenches Yes