Terrier TNMK 1/2 Ton Non-Marking Vertical Lifting Clamp - 862035Terrier TNMK 1 2 Ton Non Marking Vertical Lifting Clamp Surface Safe Lifting for Sensitive Materials The Terrier TNMK Non Marking Vertical Lifting Clamp (Model 862035) is designed for vertical lifting of smooth, delicate, or finished materials where surface protection is essential. With a 1 2 Ton working load limit and a jaw opening of 0. 04" to 0. 79", this clamp features synthetic non marring pads that eliminate metal to surface contact ideal for