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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PacTool Gecko Gauge Aluminum - Hardie Board Siding Gauge for Installation

PacTool 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

🔩Holds full 12' fiber cement boards

⏱️50% faster installation

⚙️Adjustable 5-8 inch reveals

¥24801

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Description

🔧 Elevate your siding game—install smarter, faster, and solo like a pro!

CUSTOMIZABLE SPACING - Easily adjustable for 5”, 6”, 7”, and 8” reveals to fit your exact project needs.
PRECISION EVERY TIME - Patented Friction-Cam mechanism guarantees perfectly level and consistent siding reveals up to 12 feet long.
HANDS FREE EFFICIENCY - Slide, lock, and nail with confidence—this tool acts as your second pair of hands for flawless fiber cement siding installation.
ONE PERSON POWERHOUSE - Pro Grip Clamp enables solo installers to work faster and smarter with 50% less layout time.
DURABLE CONTRACTOR GRADE BUILD - Heavy-duty aluminum construction designed to withstand commercial-grade demands and reduce fatigue.

The PacTool Gecko Gauge Aluminum is a commercial-grade siding installation tool designed for fiber cement and Hardie board siding. Featuring an adjustable gauge for 5 to 8-inch reveals and a patented friction-cam clamp that supports full 12-foot boards, it enables one-person installation with 50% faster setup and precise, consistent spacing. Constructed from durable aluminum, it reduces fatigue and improves accuracy, making it a must-have for professional contractors and serious DIYers.

Specifications

Asin	B0000AQKA2
Best Sellers Rank	#7,854 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #215 in Tool Sets (Tools & Home Improvement) #1,704 in Measuring & Layout
Brand Name	PacTool
Color	Silver
Customer Reviews	4.6 4.6 out of 5 stars (1,149) 4.6 out of 5 stars
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 Highlight	Aluminum construction for durability. Compatible with Hardie board & 5/16" fiber cement siding. Contractor-grade tool.
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
Unit Count	1 Count
Upc	645646902006

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TrustScore 4.5 | 7,300+ reviews

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¥24801

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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