Platinum Iridium Metal Electrodes Profile C , 51 mm long-PTM23B10KTFeatures Platinum Iridium Profile C, 51 mm Length : 51 mm Insulation Thickness : 3 Shaft Diameter : 0. 356mm Nominal Impedance 20%: 1. 0M Tip Diameter : 1 2 Typical Use : Single and multi unit recording, stimulation, chronic implants. Quantity : Package of 5 Kapton tubing Kapton tubing, indicated by KT in the part number, extends from the connector to within 5 mm of the tip, providing stiffness and additional insulation to the electrode shaft. Kapton