Patented four-way rolling motion
Roller body has protractor markings every 1/2 degree
1-1/4'' magnifying lens for enhancing chart data
Easy to follow instructions
Packaged in a protective, durable vinyl pouch

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5 inch
Height : 0.7 inch
Length : 19.9 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 1.5 pounds (View shipping rates and policies)

ASIN : B000KE1JQU