/ Precision Measuring Tools / Precision Hand Tools / Precision Shop Tools / V-Blocks / 568B * Not actual product image 52591 568B Clamp 52591 Other similar products Starrett V-Blocks come in a variety of styles to suit the numerous requirements of machinists. They are for general shop use and layout work, as well as for holding stock in place during light-duty milling, drilling, and grinding operations. All clamp screws have a hole to help secure the workpiece. Clamp only. Features Contact Starrett Features Clamp Only Clamps do not project over the width of the block, permitting it to be used on the base, ends or sides Clamps have screw holes at 45 Deg and 90 Deg to hold either square or round work