Cutting Instructions: It is recommended that the glass be close to room temperature for easy and efficient cutting with the help of this glass cutter. 3 Cutting Heads: Comes with 3 cutting heads in this package that you can use them respectively to meet different cutting needs. Excellent Performance: This cutter can help you achieve fast and clean cutting, improving working efficiency! Better Effects: There are 3 cutting heads, 1 marking pen, 1 screwdriver, 1 drip tube and other accessories for better cutting effects, take them for better work! Portable: Comes with a small size and as well, you can easily take this cutter kit with you to help with your work. Item Type: Glass Cutter Applicable Industry: Glass processing Production Process: Sintering Cutter: . 172mm / 6.77in Marking Pen: . 140mm / 5.51in Screwdriver: . 125mm / 4.92in Booster Bar: . 135mm / 5.31in Drip Tube: . 53mm / 2.09in Cutter Head: . 26mm / 1.02in Colour:As Shown Material:Metal Package Contents: 1 set x Glass Cutting Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.