Bullet Tools RCT Magnum Shear 20#520 This LVT guillotine can cut carpet luxuary vinyl tiles upto 20" wide and 12mm thick. Perfect for Amtico, Karndeen & MFlor floor fitters. The Magnum Shear 520 can cut at both 90 and 45 Degrees with a lockable guide. This is made by Bullet of USA to a very high standard.