Harig's precise adustable riser v-block system plus traveling height gage offers numerous workholding applications. Use with the Basic V-Block to hold workpiece securely and accurately. Use with the Multi-6 V-Block for end finishing of punches, core pins, plugs, and EDM electrodes. Mount a dial indicator to the riser block for use as an accurate travelling height gage. Standard 8" posts with 5" width included. When productivity is a must, the Ho-Vee Systems unmatched versatility makes every toolroom more efficient. Reliability backed by Harig's trademark service.