1. Material: aluminum alloy + metal/carbon steel 2. Easy to use, features heavy-duty cast metal base with slots and mounting holes for stability 3. Features easy-to-use anti-slip rubber handle 4. Highly durable and sturdy iron base to keep the entire device stable 5. With built-in scale, single stroke can reach 60 mm 6. The spring is exquisite, strong and durable, and does not lose elasticity easily. 7. Equipped with two plastic sleeves, which can be used with various types of electric drills 8. High-strength chuck, stable clamping, clamping range 43mm, clamping height 21mm 9. Dimensions: 1105/88647 150x225x400 mm, handle length 370 mm; 88709 150x225x515 mm 10. Weight: 1105 1400g; 88647 2600g; 88709 2530g
