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
Silicone
Material
Silicone
Product Dimensions
2.5"L x 2.5"W

📏0.75" height, supports 5-18 lbs/pad

🎚️95.32% vibration absorption

🛠️20 Duro Platinum Silicone

4043 som

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Description

🎧 Elevate your sound, silence the noise—because your setup deserves the best.

BUILT TO LAST BUILT FOR PROS - Silicone durability outperforms Sorbothane—no deformation or black residue over time.
EFFORTLESS RESIDUE FREE SETUP - 3M adhesive sticks securely without mess or damage—install in seconds.
UNIVERSAL FIT FOR YOUR AUDIO ARSENAL - Perfect for speakers, subwoofers, and turntables up to 18 lbs per pad.
CRYSTAL CLEAR SOUND ZERO DISTRACTIONS - Absorbs over 95% of vibrations to unlock your audio’s true clarity.
ENGINEERED PLATINUM SILICONE PRECISION - 20 Duro composite targets micro-vibrations for pristine sound fidelity.

Hudson Hi-Fi’s Speaker Isolation Pads use advanced 20 Duro Platinum Silicone to absorb up to 95.32% of vibrations, dramatically reducing resonance and enhancing audio clarity. Each 0.75" pad supports 5 to 18 lbs, installs easily with 3M adhesive, and maintains durability without residue or deformation, making them ideal for speakers, subwoofers, and turntables.

Specifications

ASIN	B075KKX3QQ
Best Sellers Rank	#6,507 in Electronics ( See Top 100 in Electronics ) #9 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 (850)
Enclosure Material	Silicone
Finish	Silicone
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
UPC	850258008057

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4043 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered 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 Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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