OLFA
OLFA Snap-off Knife - SAC-1
OLFA's SAC-1 retractable snap-off knife comes with a 30° blade.
OLFA Snap-off Knife - SVR-2
OLFA's SVR-2 retractable autolock snap-off knife comes with a 45° blade.
Replacement Blades - OLFA Snap-Off Knives for Graphic Arts
High-quality carbon tool steel replacement blades for graphic arts.
Segmented 9mm snap-off blades with either a 45° blade in 13 segments, or 30° blade in 7 segments.