All electrodes utilize the standard 3⁄32” (2.3mm) stainless steel shaft. The molded electrodes feature safety grip insulators combining patient and user safety with easy insertion into, and removal from, the surgical pencil. Electrodes are manufactured to the highest standards. Technical Specifications: Insulated: Insulated Lifespan: Single-use Material: Stainless Steel Shaft: Straight Sterilization Status: Sterile Tip Style: Straight, Modified Dimensions: Length: 2 3/4 in Safety Specifications: Latex-Free: Yes