Is the keg coupler probe stainless steel?

Not only the probe made of stainless steel, the whole of this D coupler is made of stainless steel 304. I was really surprised and happy when I received it.

Does this come with hose clamps?

Yes, it comes with 2 stainless steel hose clamps now.

what size line should be used? Mine is 3/16 inside and 7/16 outside dimension - will that work?

It can used for 5/16'' and 3/16'' beer line with the help of hose clamp to tighten the connection

Can I use it in a corny keg?

Thank you for your question. This keg tap is designed for a "D" system sankey keg, not for cornelius and corny ball lock keg.

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MRbrew Keg Coupler D System

Product ID: 256643464

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💨55-PSI safety pressure relief valve

⚙️Durable stainless steel body, rust-proof

🛡️304 food-grade stainless steel probe

Description

🍺 Tap into perfection with MRbrew’s stainless steel keg coupler!

SAFETY FIRST ALWAYS - Integrated 55-PSI pressure relief valve with food-grade silicone O-ring guarantees safe and leak-free operation every time.
UNIVERSAL COMPATIBILITY - Works seamlessly with all American 'D' system Sankey kegs—perfect for homebrewers and pros alike.
RISK FREE BREWING UPGRADE - Backed by a lifelong 100% money-back warranty and dedicated customer support—confidence in every pour.
EFFORTLESS TAPPING EXPERIENCE - Ergonomic handle design lets you couple kegs smoothly with a simple pull and push motion—no more fumbling or spills.
BUILT TO LAST CRAFTED TO POUR - Premium 304 stainless steel construction ensures unmatched durability and rust resistance for commercial-grade performance.

The MRbrew Keg Coupler D System is a commercial-grade, all-304 stainless steel keg tap designed for durability, safety, and ease of use. Compatible with all American 'D' system Sankey kegs, it features a sanitary stainless steel probe, ergonomic handle, and a 55-PSI pressure relief valve with food-grade seals. Ideal for both professional bars and homebrewers, it comes with a lifetime money-back guarantee and responsive customer support.

Specifications

Item Weight	508 g
Package Dimensions	16.61 x 10.59 x 7.7 cm; 508 g
Color	All 304 Stainless Steel
Material	All 304 Stainless Steel
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

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