The BESSEY TK-6 is a designed to hold a variety of tools securel to your work surface. The TK-6 clamp may be used to secure an S-10 protable mini vise to a table top. They also work with the WS-3 and WS-3+2K 90° angle clamps. Since the introduction of the REVO the TK-6 can also be used to mount your K BODY clamps to a work surface. Thay are sold in pairs, and can be found bundled along with WS-3+2K and the S-10. BESSEY. Simply better.