You can also use a different color for your high walls, rake walls and short walls.
If you need more chalk of the same color you can use?both?sides of the Big Foot Dual Cavity Chalk Box.
The Box has 125'' of line in each side of the box for a total of 250''.
Changing lines is easy with the replacement spool which has the string guide and hook already on it.
The Big Foot Dual Cavity Chalk Box is made of light-weight aluminum with durable gears for longer life??and fits in your nail bag.
This is an O.E.M. part

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 12 inch
Height : 3 inch
Length : 12 inch

Item Weight: 1 pounds (View shipping rates and policies)
Shipping Weight: 3 pounds (View shipping rates and policies)

ASIN : B00E6A42Q8

Product Description

The Big Foot Dual Cavity Chalk Box is the world''s first 2-line chalk box.??Two lines in one box allows you that ability to use 1 line for red chalk for your layout and the other line for your dry line to locate different off sets on the foundation.