SIGMA Razor Collection Perfectly holds the Vincent Sigma Blade (VT305B) Also uses standard 45mm (1 ¾”) blades (VT300B) Lightweight and beautifully crafted. Rust and tarnish resistant. Rounded hunchback and belly for easy opening. Includes sleek minimalist wooden case. Available in: (Wood Handles: Mahogany, Oak, Walnut, Black) Moderato, Del Segno, and Staccato.