SILARUKOV Hand Gripper

This SILARUKOV handgripper is available in 13 strengths: 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140 and 150 kg. For your comparison, the 60 kg is similar to CoC #1, the 90 kg is close to CoC #2, the 130 kg is similar to CoC #3. However, the handles are closer, so the closing may feel different.