Olsen ® 2 1/2" (6.4cm) Needle Electrode, Tungsten Wire Micro Dissection, Straight, Insulated, Ultra Sharp Tip, Single Use, 5/Bx Specifications: Length (in) : 2 1/2 in Length (mm) : 64 mm Blade : Ultra Sharp Tip Insulated : Insulated Material : Tungsten Wire Brand : Olsen® CE Mark: Yes Non-Latex Country of Origin: USA