Can anyone tell me where to get the extensions for these to do 12" siding . I am in Australia so need to get them shipped here

Bishop supply Panama City Florida.

This tool has horrible reviews. Does it work at all? Has anyone made it work?

Yes. I made it work by hooking rubber bands from the side bolts under the lever to hold the tension to keep the gauge in place. While it sounds a little Mickey Mouse, the gauges are actually a huge time saver especially if you are putting the siding up by yourself. If you are using pre-finished Artisan Hardie, the other tip I can give you is to slip a thin shim between the boards at the base of the gauge to lever the boards out a little when installing or removing the gauges. This keeps it from marking the boards and requiring touch up. I would definitely recommend these if you with the above provisions.

Is the green one is plastic? Or aluminum

Plastic. They also are longer than these, which may or may not be good. The plastic has more adjustments as well, but these could be drilled to offer more possibilities. The aluminum ones seem to scrape more when you remove them, so would not be as good on pre-painted boards.

would these work with the sa90338 or the sa903?

No, design and construction do not match up.

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Gecko Gauge Aluminum - Hardie Board Siding Gauge for Installation

Product ID: 8870159

Details

Brand
PacTool
Color
Silver
Item dimensions L x W x H
2.5 x 6 x 11
Material
Aluminum
Shape
Flat

📏Adjustable 5”-8” siding reveals

⏱️50% faster one-person installation

⚙️Patented Friction-Cam for secure 12' siding hold

$106.18

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Description

🔧 Nail your siding game with precision and speed — the pro’s secret weapon!

ONE PERSON POWER - Cut labor costs and fatigue by installing fiber cement siding solo and 50% faster.
TRUSTED PRO TOOL - PacTool’s decades of innovation empower pros and DIYers to work smarter, not harder.
CUSTOMIZABLE SPACING - Easily adjust for 5”, 6”, 7”, or 8” reveals to match any project specs perfectly.
HANDS FREE PRECISION - Lock, hold, and nail with zero layout time for flawless siding reveals every time.
HEAVY DUTY DURABILITY - Crafted from commercial-grade aluminum to withstand the toughest job sites.

The PacTool SA902 Aluminum Gecko Gauge is a commercial-grade siding tool designed for one-person installation of fiber cement siding. Featuring a patented friction-cam mechanism, it securely holds up to 12-foot boards hands-free, enabling accurate and consistent reveals adjustable between 5” and 8”. Made from durable aluminum, it reduces labor time by 50% and eliminates layout hassles, making it an essential tool for contractors and serious DIYers aiming for professional results.

Specifications

ASIN	B0000AQKA2
Best Sellers Rank	#27,816 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #209 in Tool Sets (Tools & Home Improvement) #1,520 in Measuring & Layout
Brand Name	PacTool
Color	Silver
Customer Reviews	4.6 4.6 out of 5 stars (1,145)
Global Trade Identification Number	00645646902006
Grade Rating	Commercial
Included Components	Pair of Gecko Gauges
Item Dimensions	2.5 x 6 x 11 inches
Item Form	Bar, Flat Rod, Rod
Item Shape	Flat
Item Type Name	siding gecko gauge
Item Weight	1.5 Pounds
Manufacturer	PacTool
Material	Aluminum
Model Number	SA902
Number of Items	1
Part Number	SA902
UPC	645646902006
Unit Count	1.0 Count

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$106.18

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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