The Gecko Gauge SA903 gauges and supports cement-board siding for one-person installation with virtually no layout time. It is adjustable at 1/4 in. increments for 4 in. - 8 in. siding reveals. It wont scratch or mar pre-painted siding. The Friction-Cam mechanism supports full 12 ft. cement-board siding lengths. It can be used with 5/16 in. fiber-cement siding products， including James Hardies updated HZ5 series with new eased drip-edge profile.

• Brand Name: PacTool
• Sub Brand: Gecko Gauge
• Clamping Capacity: 8 in.
• Throat Depth: 5/16 in.
• Style: Fiber Cement
• Product Type: Siding Tool
• Number in Package: 2 pk
• Material: Plastic
• Packaging Type: Boxed
• Adjustable at 1/4 in. increments for 4 in. - 8 in. siding reveals
• One-person installation
• Patented friction-cam mechanism
• Use with fiber-cement siding
• Won't scratch or mar