What is the maximum pressure they are rated for?

The maximum pressure is about 50kg/110lb.

Can they be attached together, the brass and rubber adapter?

Yes they can be connected to the brass to rubber. Had to use it that way on my RV to clear the hole in the wheel cover.

Can you leave the rubber ones on permanently?

I have done that it it work perfectly...month after month after month.

what size nut fits the inflater end?

The external threaded part of a Schrader valve is 7.7 mm (.302") x 32 T.P.I.

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Mudder 4 Pack 8.25 Inch Flexible Tire Valve Stem Extension Adaptor

Product ID: 201462378

Details

Brand
Mudder
Color
as the picture
Fit Type
Universal Fit
Material
Brass Metal
Vehicle Service Type
Motorbike Car

🔩90° brass extension for easy access

🛞8.25 inch flexible length

🛠️Universal fit for all vehicle types

€ 16.16

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Description

🛞 Extend Your Reach, Elevate Your Ride!

SMART 90 DEGREE ANGLE - Brass adaptors with right-angle bends provide ergonomic pump connection, saving time and effort.
UNIVERSAL COMPATIBILITY - Fits passenger cars, trucks, motorcycles, RVs, and more—one set for all your vehicles.
COMPLETE 4 PACK CONVENIENCE - Includes 2 rubber and 2 brass adaptors with dust caps—ready for any tire valve challenge.
EFFORTLESS INFLATION ACCESS - Flexible 8.25-inch rubber and brass extensions let you reach tricky valve stems without hassle.
DURABLE DUAL MATERIAL DESIGN - Premium brass and rubber construction ensures long-lasting performance and resistance to wear.

The Mudder 4 Pack 8.25 Inch Flexible Tire Valve Stem Extension Adaptors combine durable rubber and brass materials to provide universal, easy access to tire valves across cars, trucks, motorcycles, and RVs. Featuring flexible lengths and 90-degree angled brass adaptors with dust caps, this set simplifies inflation and maintenance, saving time while protecting your valves.

Specifications

ASIN	B084LC3ZH5
Automotive Fit Type	Universal Fit
Best Sellers Rank	#213,683 in Automotive ( See Top 100 in Automotive ) #152 in Tire Valve Tools
Brand Name	Mudder
Color	as the picture shown
Compatible with Vehicle Type	Motorbike, Passenger Car, Truck
Customer Reviews	4.4 4.4 out of 5 stars (760)
Fit Type	Universal Fit
Item Highlight	2 Pieces 90 Degree Tyre Valve Extension Adaptor Compatible for Rv, Bicycles, Motorcycles, Truck
Manufacturer	Mudder
Manufacturer Part Number	Mudder-Tire Valve Adaptor-01
Material Type	Brass, Metal, Rubber
Number of Items	4
Number of Pieces	2
Shape	Round

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€ 16.16

Duties & taxes included

In stock

Sold byAmazon FranceDelivered 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 France.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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