EM-Tec CV1 large centering vise with a clamping capacity from 0-110mm. Clamping size can be increased to 155mm with the optional EM-Tec CVE1 extension pIates. Includes two standard triple grooved/smooth clamping jaws which are positionable on the baseplate. The EM-Tec-CV1 centering vise can be operated from both sides; two knurled handles are provided. For ease of operation a removable spindle extension is include with the centering vise. Overall size closed is 106x40x34mm, overal size open is 122x40x34mm. M4 threaded hole in the base for Hitachi SEMs and the versatile EM-Tec stage SEM stage adapters.