Features innovative electric gripping technology with sturdy ABS+resin build, offering strong attachment for stone, glass and other polished heavy items. Includes accurate digital readout displaying current holding force (±2% variation), maintaining stable handling of panels by checking connection condition consistently. Integrates electric and manual functions select quick automatic attachment or efficient hand activation for confined spaces needing denial extra equipment. Perfect for construction/auto service technicians and home users to securely moving stone slabs, glass sheets, panels and polished face objects. Package includes: 1 Set Cup