Letz or Leep Sterile Loop and Balls Electrodes: Available in different styles and sizes. Stingray Surgical uses the highest quality of materials for the loop and ball electrodes. Printed sizes are marked on each individual product to keep track of proper cutting or coagulation dimensions. Stingray Surgical electrodes are trusted by women’s health providers to give high confidence of clear margins with minimal removal of healthy cervical tissue. Stingray Surgical ‘s Lletz or Leep electrodes are extremely cost effective for today’s healthcare industry.