SJ-002 clamps 20mm: 1.material:iron 2.capacity:0.5kn 3.diameter:20mm 4.applied in tension test of springs,wire etc

SJ-002 clamps 20mm:1.material:iron2.capacity:0.5kn3.diameter:20mm4.applied in tension test and fracture measurement of springs,wire,silk thread etc

SJ-002 clamps 20mm