uxcell 2 Pcs Small Cutting Tool Replacement Glass Cutter Heads Product Name : Glass Cutter Head;Material : Carbide Wheel Metal Head : Metal Head;Color : Silver Tone Total Size : 2.6 x 0.8 x 0.5cm / 1" x 0.3" x 0.2";WheelDiameter : 0.3cm / 0.1" Connector Diameter : 0.4cm / 0.16";Weight : 10.9g Package Content : 2 x Glass Cutter Head