See below to understand the differences among the various drum lifting clamps from Terrier.
The Terrier TVK drum lifting clamp features an automatic locking mechanism and 1/2 ton working load limit. It can lift, handle, and transport steel drums that are empty or filled.
Terrier TVHK drum lifting clamps are designed to lift, handle, and transport drums that must say in an upright position. It's great for handling drums in a tight space and for placing them between other drums. Max jaw opening is 11.81" and working load limit is 0.6 ton.