When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
PacTool SA903 Gecko Gauge:
$40.00
Siding installation gauge tool (pair) which allows one person to install siding evenly, adjustable at 1/4 inch increments, 4 to 8 inch reveals. Used on one small project. 
