Ahh...finally a gift he probabaly doesn't own! This heavy-duty cast aluminum universal bench vice bolts on to most flat surfaces and turns in over a 100 ways. Perfect for small repair, tight corners, and eye-to-eyeballing. Take it anywhere! Great for woodworkers, jewelry makers and hobbyists. We've sold it for over a decade. Jaw opens 50mm. Jaw width is 78mm.