Home DIY Monster Clamp: Build a Heavy-Duty C-Clamp Vise Grip Plier! DIY Monster Clamp: Build a Heavy-Duty C-Clamp Vise Grip Plier! Tweet on Twitter Share on Facebook Pinterest See the best selling D.I.Y tools here! Check out the top brands of D.I.Y tools here! Here are some great Deals & Savings in Tools & Home Improvement!