Olfa 45MM Rotary Replacement Blade SKU: TTB107002 PricingQuantityPrice $6.85 Quantity -+ Add to Cart Description 45 MM Rotary Replacement Blade for the Olfa Rotary Cuttery RTY-2... DescriptionBack45 MM Rotary Replacement Blade for the Olfa Rotary Cuttery RTY-2/DX.