KAI Professional Replacement Blades Black Blade Long t38 Blade Thickness: 0.38mm 50 replacement blades per pack x 10 sets BD38-50 Black Blade Thank you for viewing. In principle, I do not offer discounts. Even if negotiations are in progress in the comments section, please understand that I will prioritize those who purchase immediately without commenting, in accordance with Mercari guidelines. Please refrain from purchasing if you are overly concerned about the condition, as this is a used item. Also, please forgive any oversights.