Non-sterile Disposable Scalpel #11 Blade - Bulk Package - Great for Arts, Crafts Non Sterile disposable scalpels are great for crafts and hobbies. they are extremely sharp. This purchase is for 1(one) blade. Available in 1, 10, 50 or 100 pack. All items are bulk packaged. Blades are #11 blade and #3 handles. They measure approx. 5 3/4" (15mm)