Check the listing for details. LP Smartside tool SoloSider Pro Fully Adjustable Siding Gauge w/gripping teeth. Condition: New. Listed at 125.50 USD. Made in The U.S.A. All Gauges Come In Pairs The Pro has gripping teeth in the clamp so it will not slip like the other tools on the market. It will handle these sizes and any in between 3/8 Smartside5/1/6 Fiber Cement7/1/6 Smartside5/8 Artisan 3 3/4" Bevel cedar SoloSider Pro is made using Nylon-6 30% glass filled. It will not break if you drop it from any height. It has a metal spine built in. The clamp is 410 stainless steel that is heat treated. We use super oilite iron bushings and hardened and ground pins on the pivot points for the clamp. The top flipper is also 410 ss ht treated. It should last a lifetime. It has a repair or replace guarantee of 2 years. This tool will allow clamping tension to be adjusted lightly or very heavy without allowing the tool to pull away from the wall. This new tool will easily handle 5/16 to 5/8 lap siding board and anything between. Will allow a reveal of 3-3/4" to 8" recommended max in 1/6 " increments. By removing all of the spacers you can have a 3" reveal. The tension on the clamp is fully adjustable. gripping teeth on the clamp to prevent tool from slipping We do not recommend using over a 8" reveal but will sell you enough extra spacers to go as high as you wish. When you close the clamp it will lightly lock in the forward position and the tension is controlled by the tension screw not the position of the clamp. Patent is pending. If you are in a hurricane / tornado prone area and need a 2" or more overlap this tool will do it.