Product Description:
column formwork is composed of plywood, timber beam, vertical waling, joint connector, yoke, tie rod, wing nut, and clamp 

1Brief Introduction 
Adjustable column formwork is a formwork for square or rectangle, which is designed for variational dimension in given range. Its adjustable ability comes true by the change of vertical walings relative position. As the left pictures described, the column formwork is composed of plywood, timber beam, vertical waling, joint connector, tie rod, 
wing nut, and clamp. When used, you can adjust the dimension of formwork according to the given dimension. 

2   Adjustable column formwork form 
 Vertical waling has two standards for quadrate column or rectangular column with their sides in 4001200mm. As the below pictures shown, you can turn the size of 800 800mm to the size of 400 400mm, the rest may be 
deduced by analogy, you can complete any dimension in the given range and it is permissible for both square ness and rectangle.