Does these work with hardie plank that's 180mm high reduced to150mm with 30mm over lap

Yes, but it's closer to 148/149mm so don't guage out at 150 or you may fall a little short 👍🏼

Would these work for VERTICAL featheredge boards?

Only work 4 9mm boards anything greater than that its easier 2 make a gauge and check every 6/7 boards u do

Will these work on feather edge timber cladding.

I wouldn’t think so. The 10mm cedral plank is quite a snug fit. I don’t think you’d get anything bigger in it

Will these work on 8” cedar clad 18mm thick at bottom edge.

Yes and no. It’s been made for cement board but you can unscrew 4 bolts and but another packers for thickness what you require

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PacTool SA903 Gecko Gauge Mounting Kit - For Use with 5/16-Inch Fiber Cement Siding, James Hardie's Updated HZ5 Series - Lap Siding Gauge

PacTool SA903 Gecko Gauge Mounting Kit - For Use with 5/16-Inch Fiber Cement Siding, James Hardie's Updated HZ5 Series - Lap Siding Gauge

Product ID: 59668063

Details

Brand
PacTool
Colour
Green
Item dimensions L x W x H
30.5 x 30.5 x
Item weight
590 g
Material
Plastic
Number of items
2

💪Supports full 12-foot siding lengths

📏Adjusts in 1/4-inch increments

⏱️50% faster installation

₩338897

Duties & taxes included

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Elevate your siding game — install smarter, faster, and solo!

PRECISION ADJUSTMENT - Fine-tune siding reveals from 4 to 8 inches effortlessly.
DURABLE DAMAGE FREE - Rubber locking grips protect your siding’s pristine finish.
TRUSTED CRAFTSMANSHIP - PacTool’s decades of innovation empower pros and DIYers alike.
FATIGUE FREE INSTALLATION - Hands-free clips hold boards perfectly for less strain and more productivity.
ONE PERSON PRO GRIP CLAMP - Cut your installation time in half with hands-free precision.

The PacTool SA903 Gecko Gauge Mounting Kit is a professional-grade siding installation tool designed for 5/16-inch fiber cement siding, including James Hardie's updated HZ5 series. Featuring a patented friction-cam mechanism and adjustable increments, it supports full 12-foot boards and enables one-person installation with 50% faster setup times. Made from durable plastic with rubber grips, it ensures damage-free, precise, and fatigue-reducing installation, trusted by thousands of pros and DIY enthusiasts worldwide.

Specifications

ASIN	B000VERBCU
Best Sellers Rank	77,734 in DIY & Tools ( See Top 100 in DIY & Tools ) 437 in Raw Building Materials 7,043 in Power Tool Accessories
Brand	PacTool
Colour	Green
Country of Origin	China
Customer Reviews	4.7 4.7 out of 5 stars (5,896)
Included Components	Gecko Gauges
Item Dimensions	30.5 x 30.5 x 40.6 centimetres
Item Type Name	Siding Gecko Gauge
Item Weight	590 g
Manufacturer	PacTool
Material	Plastic
Model Number	SA903
Number of Items	2
Part Number	SA903
Set Name	Gecko Gauge Clamp Set (2 Piece)
Style	STANDARD
UPC	716080054214 732454522523 733353408949 787721689317 740528465270 645646903003 637825901672 785479700438 785533916348
Unit Count	1.0 count

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