Terrier TNMKA 1/2 Ton Non-Marking Vertical Lifting Clamp - 862005Terrier TNMKA 1 2 Ton Non Marking Vertical Lifting Clamp Surface Protection for Oversized Materials The Terrier TNMKA Non Marking Vertical Lifting Clamp (Model 862005) is engineered for lifting wide, delicate materials that require surface protection. Featuring non marring synthetic pads and a massive jaw opening of 0. 04" to 7. 08", this clamp is ideal for aluminum, copper, stainless steel, marble, stone panels, and other polished or finished loads