1.Jack Model: SJM2.5
2. Screw Diam.: 30mm
3. Screw Pitch: 6mm
4. Max load capacity: 25KN
5. Speed Ratio: 1/6, 1/24
6: Max permissible power: 1.45KW
7. Top End: top plate, clevis end, threaded end, plain end

1. Jack Model: SJM5
2. Screw Diam.: 40mm
3. Screw Pitch: 7mm
4. Max load capacity: 50KN
5. Speed Ratio: 1/6, 1/24
6: Max permissible power: 2.59kw
7. Top End: top plate, clevis end, threaded end, plain end

1. Jack Model: SJM10
2. Screw Diam.: 58mm
3. Screw Pitch: 12mm
4. Max load capacity: 100 KN
5. Speed Ratio: 3/23, 1/23
6: Max permissible power: 3.47kw
7. Top End: top plate, clevis end, threaded end, plain end.

1. Jack Model: SJM20
2. Screw Diam.: 65mm
3. Screw Pitch: 12mm
4. Max load capacity: 200KN
5. Speed Ratio: 1/8, 1/24
6: Max permissible power: 4.02KW
7. Top End: top plate, clevis end, threaded end, plain end

1. Jack Model: SJM25
2. Screw Diam.: 90mm
3. Screw Pitch: 16mm
4. Max load capacity: 250KN
5. Speed Ratio: 3/32, 1/32
6: Max permissible power: 5.38KW
7. Top End: top plate, clevis end, threaded end, plain end.

1. Jack Model: SJM35
2. Screw Diam.: 100mm
3. Screw Pitch: 18mm
4. Max load capacity: 350KN
5. Speed Ratio: 3/32, 1/32
6: Max permissible power: 13.06KW
7. Top End: top plate, clevis end, threaded end, plain end

1. Jack Model: SJM50
2. Screw Diam.: 120mm
3. Screw Pitch: 20mm
4. Max load capacity: 500KN
5. Speed Ratio: 3/32, 1/32.
6: Max permissible power: 13.9KW
7. Top End: top plate, clevis end, threaded end, plain end

1. Jack Model: SJM100
2. Screw Diam.: 160mm
3. Screw Pitch: 23mm
4. Max load capacity: 1000KN
5. Speed Ratio: 1/12, 1/36.
6: Max permissible power: 28.5KW
7. Top End: top plate, clevis end, threaded end, plain end

1. Jack Model: SJM120
2. Screw Diam.: 180mm
3. Screw Pitch: 25mm
4. Max load capacity: 1200KN
5. Speed Ratio: 1/12, 1/36.
6: Max permissible power: 62KW
7. Top End: top plate, clevis end, threaded end, plain end