Made according to Standard JB/T3411.58-99,used as support when testing parts. Dvided to steel type and cast iron type. Outside surface can be painted or chrome plated.

Specification:

φ35x60  

φ50x80

φ70x100

φ100x150

φ150x250

φ200x300

φ260x400

φ280x450

φ300x500