ITEM NAME:10Pcs High precision 23# Carbon Steel Blades PCB Circuit Board +1Pcs 4 #Handle.10Pcs 23# Carbon Steel Surgical Scalpel Blades PCB Circuit Board +1Pcs 4 #Handle. High precision, smooth cutting, impact resistant, wear resistant. Total length: about 14.3 cm ( # 23 ). Material: stainless steel.