The OLFA carbon tool steel straight snap-off blade is another quality product from OLFA. This item is made of carbon tool steel for performance and durability. This snap-off blade is designed to work with Standard-Duty Slide Lock Cutter (180, Standard-Duty Ratchet-Lock Utility Knife (300, Standard-Duty Slide Lock Utility Knife (A), Handsaver Cushion Grip Standard-Duty Auto-Lock Utility Knife (NA-1), PRO-LOAD Multi-Blade Auto load Standard-Duty Auto-Lock Utility Knife (PA-2), Stainless Steel Slide Lock Graphics Knife (SAC-1), Standard-Duty Stainless Steel Slide Lock Cutter (SVR-1), Standard-Duty Stainless Steel Auto-Lock Cutter (SVR-2), X OLFA Design Series‚Ñ¢: Standard-Duty Auto-Lock Utility Knife (XA-1). Additional, and potentially important, information was collected about this product: 13-segment snap-off blade