PRECISE/SMOOTH CUTTING: This glass cutter can cut plate glass from 1/8" to 1/4" thick with teeth for remove rough edges. HEAVY-DUTY: Steel wheel with honed angle of 120 degrees for cutting single or double strength glass. ERGONOMIC DESIGN: Tapered handle boasts a flat surface near cutting wheel for a comfortable finger position, providing the best leverage. BALL END: On the end of the handle there is a ball that will create elevation to aid in snapping off scored glass. MULTI-USE: Perfect for cutting glass and DIY projects including mirrors, window panes, custom picture frames, glass shelves and stained glass. GENERAL TOOLS: We're a recognized leader in designing and developing specialized precision tools dedicated to delivering exceptional customer service. We encourage artisans and DIYers to work smarter, measure better, and repair more productively.