Electrosurgical Electrode (Disposable ), Needle, ESU Tip Comes in different sharpness. 45 degree bending available. Hexagonal Molding (Optional)?: Help to prevent un-wanted twist or fall-off of the electrode from ESU pencil.? Specifications: Combinations of the following: Material Stainless Steel Tungsten Or whatever doable and assigned by a customer. Body Diam. (mm) 4.0 2.38 Or whatever doable and assigned by a customer. Length, Body (mm) 30-300 Or whatever doable and assigned by a customer. Tip Shape Blade Ball Needle Straight Angled UltraFine Loop Or whatever doable and assigned by a customer. Surface treatment None Sticky-Free Coated Gold-platted Coatless Or whatever doable and assigned by a customer. Insulation Sleeve None SuperThin Shrinking Molding Shrinking and molding Or whatever doable and assigned by a customer.