Picture framing magazine Rob Markof review of MasterClamp

MasterClamp V-5 Pro by Rob Markoff

After several versions and revisions, MasterClamp V5-Pro may be the best miter clamp ever made. It is beau­tifully machined, made in America, and is a lifetime tool. If your miters are not exactly 45 degrees, you can fine-tune the MasterClamp to achieve perfect surface contact for a strong joint. However, the best feature is the 

 The ability for the miter fences to also be adjusted inwards. MasterClamp is the perfect clamp for tall shadowbox and stem mouldings because it applies pressure to both the top and bottom of the moulding. The best practice is to clamp with glue first, allowing the miter to dry completely before adding v-nails or other fasteners to reinforce it. www.masterclamp.com