I am sure I am missing this but can someone tell me the height of the 1.25 inch bumpers?

The 1.25" hemispheres are .625" tall.

Are they good for floor standing speaker?

I used the 2.5" Platinum Silicone Hemisphere Bumpers on a pair of floor standing speakers that weighed 68 lbs each and measured 41”H x 16”W x 13”D and it made the speakers way too wobbly and springy. It was too dangerous to use them under my speakers due to concerns over the speakers tipping over and falling. I wouldn’t recommend.

what size should I get for Kef R3 speakers?

Try to find out the size of the feet on the speaker and get a bumper to match. I’m guessing 3/4”. Nice speakers, enjoy!

Will these work as intended using these on 23 inches of a 32 inch center with quad woofers i cant use them further than 23 inches of the total of 32

Yes, they will work 23 inches apart on your 32 inch device.

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Speaker Isolation Pads – 8-Pack 0.75" Platinum Silicone Feet for Speakers, Subwoofers, Turntables – Non-Slip, Vibration Damping Pads with Adhesive – 20 Duro Anti-Vibration Mounts

Product ID: 50168659

Details

Brand
Hudson Hi-Fi
Color
Black
Finish Type
Plain
Material
Silicone
Product Dimensions
2.5"L x 2.5"W

🎯95.32% vibration absorption

📌3M peel & stick adhesive

🛠️20 Duro Platinum Silicone

R$219

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Description

🔊 Elevate your sound, silence the shake — hear every detail like never before!

EFFORTLESS INSTALLATION - 3M adhesive backing ensures a secure, no-fuss setup in seconds.
PRECISION SOUND CLARITY - Cut through the noise with micro-vibration damping for pristine audio fidelity.
VERSATILE COMPATIBILITY - Perfect for speakers, subwoofers, and turntables—elevate any audio setup.
DURABLE PLATINUM SILICONE - Engineered to maintain shape and performance without residue or deterioration.
ULTIMATE VIBRATION CONTROL - Absorbs over 95% of disruptive vibrations to unlock your system’s true potential.

Hudson Hi-Fi’s Speaker Isolation Pads feature 0.75" Platinum Silicone feet with a 20 Duro rating, designed to absorb up to 95.32% of vibrations and resonance. These non-slip, vibration damping pads use durable silicone that resists temperature extremes (-40 to +240°C) and maintain form without leaving residue. With easy 3M adhesive installation, they support 5 to 18 lbs per pad, optimizing sound clarity for speakers, subwoofers, and turntables.

Specifications

ASIN	B075KKX3QQ
Best Sellers Rank	#8,338 in Electronics ( See Top 100 in Electronics ) #16 in Audio & Video Speaker Accessories
Brand	Hudson Hi-Fi
Built-In Media	Silicone Isolation Feets
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (870)
Enclosure Material	Silicone
Finish	Plain
Item Dimensions L x W x H	2.5"L x 2.5"W x 1.25"H
Item Type Name	Isolation Feet
Load Capacity	1E+2 pounds
Manufacturer	Hudson Hi-Fi
Maximum Height	1.25 inches
Mfr Part Number	75_8pack_M
Model Number	Isolation Feet
Number of Items	8
UPC	850258008057

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R$219

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

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