will this strip out the threads on your valve stems?

If you line the chuck straight with the valve stem before taking it off, you shouldn't have a problem with the valve stem threads.

This doesn't come with a quick connect coupler. The one I have doesn't seem to screw completely on this chuck. Is there a special size to look for?

I had no problems screwing in a 1/4 " pipe (standard size for quick disconnect) I needed the extended reach for my dual wheel goose neck . It works well Ken C.

Do they make a pressure gauge at least 3 foot long for older people that can't bend over.

No they do not make one that long, but you can extend one yourself with steel pipe and a coupling of the same size.

Are the threads for large-bore or small-bore valve stems?

Large bore as you would find on the tire of a tractor trailer

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Straight Foot Dual Head Air Chuck for Tire Pressure Guage, 12" Extended Reach, 1/4" FNPT, 150 PSI, Truck, Tractor Trailer, Semi Truck, Dually, RV & Car, S-693-12

Straight Foot Dual Head Air Chuck for Tire Pressure Guage, 12" Extended Reach, 1/4" FNPT, 150 PSI, Truck, Tractor Trailer, Semi Truck, Dually, RV & Car, S-693-12

Product ID: 26802550

Details

Brand
Milton
Capacity
0.25 inches
Item Diameter
0.25 inches
Item Weight
3.2 ounces
Material
Bronze

💨Handles up to 150 PSI max pressure

📏12" extended reach for hard-to-access tires

🔒Dual locking heads for secure valve grip

163.70 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚛 Inflate Like a Pro, Reach Like a Boss!

DUAL LOCKING PRECISION - Both heads lock onto valve cores, ensuring a leak-proof, hands-free inflation experience.
ERGONOMIC COMFORT GRIP - Cushioned handle designed for professional use, reducing hand fatigue during repetitive tasks.
EXTENDED REACH MASTERY - 12-inch length conquers inner dual tires with ease, no more awkward stretching.
VERSATILE HEAVY DUTY USE - Perfect for trucks, semi-trucks, RVs, and tractors—your go-to inflation tool for any big rig.
BUILT TO LAST MADE IN USA - Crafted from durable bronze with a 1-year limited warranty, reliability you can trust.

The Milton Straight Foot Dual Head Air Chuck offers a 12-inch extended reach and dual locking heads designed for secure inflation of inner dual tires. Made from durable bronze in the USA, it supports up to 150 PSI and features an ergonomic cushioned grip for professional-grade comfort and control. Ideal for trucks, trailers, RVs, and heavy-duty vehicles, this air chuck ensures precise, leak-free tire inflation every time.

Specifications

ASIN	B004QI1WEA
Best Sellers Rank	#24,850 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #46 in Air-Compressor Accessories
Brand	Milton
Brand Name	Milton
Capacity	0.25 inches
Customer Reviews	4.7 out of 5 stars 3,183 Reviews
Global Trade Identification Number	00030937313683
Handle Type	Ergonomic
Included Components	Air Chuck
Item Diameter	0.25 inches
Item Type Name	Air Chuck
Item Weight	3.2 ounces
Lock Type	Threaded Locking
Manufacturer	Milton Industries
Manufacturer Part Number	S-693-12
Manufacturer Warranty Description	1 year limited
Material	Bronze
Material Type	Bronze
Model Number	S-693-12
Number of Items	1
Number of Packs	1
UPC	030937313683 763273041148
Unit Count	1 Count

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