Features: 1. Be able to work with straightener (TL type) 2. Improve production efficiency by save the material changing time and labour. 3. Install the motor and the electric control to change into motive stand. 4. With the manual and oil pressure expansion styles. 5. If material is too narrow, install the left and right shifter is available. 6. Suitable for fast speed punching.Model MTD-200 MTD-250 MTD-300 MTD-400 MTD-500 MTD-600 MTD-700 materialwidth(mm): 200 250 300 400 500 600 700 Material thickness(mm): 2 2 2 2 2 2 2 Material I. D (mm): 450-530 450-530 450-530 450-530 450-530 450-530 450-530 Material O. D (mm): 1200 1200 1200 1200 1200 1200 1200 Material weight(kg): 300x2 300x2 500x2 1000x2 2000x2 2000x2 2000x2 Speed of feeding(m/min) 15 15 15 15 15 15 15 Coil expansion: Manual Manual Manual Manual Manual Manual Manual Machine weight(kgs): 850 950 1100 1250 1380 1500 1650