Glass cutter are made using scrape diamonds becuse they are hardest know material on earth. USTAAD JEE glass cutters are made with best impure diamonds and carbide wheels.
OIL GLASS CUTTER
GLASS PINCER OR BREAKER (Sansi)
TILE CUTTER PENCIL AVAILABLE IN FULL CARBIDE AND HALF CARBIDE. ALSO AVAILABLE IN 5 EXTRA PIN.
TILE BREAKER PLIER