Olfa Compass COB-1 Blades SKU: TTB016004 PricingQuantityPrice $5.24 Quantity -+ Add to Cart Description Replacement blades for the Olfa Compass Circle Cutter CMP-1. Pack includes 15 blades. Extra blades can be stored in handle. DescriptionBackReplacement blades for the Olfa Compass Circle Cutter CMP-1. Pack includes 15 blades. Extra blades can be stored in handle.