... sample sets increased sample stage height of 100mm, measurable 1-30 public nearly 2-8-inch diameter Sample. Angle ... samples stage with a load-bearing track, can weigh 1-30kg,2-6 inches in diameter(can be increased ... load-bearing track, and add a V-bearing guide, can weigh 1-30 kg, 2-6 inches in diameter (can ... track, and add a wheel-type frame, can weight 1-30kg,2-6 inches in diameter (can be increased ...