Model HCJ200 adjustable block stand
order number :21331
feature :matching with 21333,used to string electric cable and optical cable at manhole

,fixed block on the shelf by bolt ,block location can adjust base on the height of cable

manhole ,block shelf is composed of two segment , contraction construction suitable for

different height of manhole ,adopt cam support and tighten .
Essential technical parameter :                                    
1.supporting length (mm):1625～2300                                                  
2.weight (kg):34