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Bertoia Diamond Bird and Side Chair Glides | Set of 4

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Bertoia Diamond-Bird-Side Chair Glides, also for Bertoia Bench
Prevents your floor from scratches, marks and scuffs
Lexan plastic, clear, felt

fits 9.5mm to 11mm (3/8" to 7/16"). The Bertoia round steel is 7/16 "(inch) thick, which equivalent 11.113 mm.
Bertoia Diamond- Bird- Side Chair Glides are matching for Knoll int. chairs

Harry Bertoia was an Italian-born American artist, sound art sculptor, and modern furniture designer.

At the age of 15, given the choice to stay in drought ridden Italy or move to Detroit, Harry chose to adventure to America and live with his older brother, Oreste. After learning the language and the bus schedule, he enrolled in Cass Technical High School, where he studied art and design and learned the skill of handmade jewelry making. In 1936 he attended the Art School of the Detroit Society of Arts and Crafts, now known as the College for Creative Studies. The following year in 1937 he received a scholarship to study at the Cranbrook Academy of Art where he encountered Walter Gropius, Edmund N. Bacon and Ray and Charles Eames and Florence Knoll for the first time.

The Diamond Chair is part of a series of furniture that have been designed by Harry Bertoia in the beginning of the 1950s. All of this “wire frame furniture” are welded by hand. Bertoia, as he was a sculptor and silver smith, placed a square on the point and pulled it longer – a form game with pleasant results: The lounger is weightless and comfortable, he saw his chairs as “studies in room, form and metal”.
Knoll offers the Diamond chair in different editions: chrome plated or black coating usable as outdoor furniture.

Placed in many collections of famous design museums, the Diamond Chair from Bertoia is a classic.
The Diamond Chair is an extremely comfortable seating furniture.

These screws are for the smaller version of the Diamond Chair. Shock mounds are available for the Diamond Lounger and Bird Chair. Please follow the link below.



Installation:
To attach the Diamond, Bird & Side Chair glides on the round metal base you need a pliers (eg. a pipe wrench) and to avoid damaging an intermediate layer to the round metal (eg, a towel, a piece of thick felt, or a piece of soft wood).

You put the intermediate layer on top of the round metal of the Diamond or Bird Chair base and the glide under the round metal. Then you grab wood, round metal and glider with the pliers and push it onto the round metal. The sliders adjust to 7/16 inch, which is the round metal of the Diamond and Bird Chair frame. Therefore, some force is required.
It may be possible in really exceptional cases (approx. 5%) that the chair glider is twisting on the rod. In this case please stick a strip of double sided tape into the chair glider to fix it.



Product description
4 x Glides | Chair Glides for Harry Bertoia Chairs | Diamondchair | Birdchair | Sidechair
Bertoia Diamond, Bird & Side Chair Felt Glides | Set of 4

Prevents scratches, stains and pressure marks.
Lexan plastic, clear, felt
Suitable for 9.5 mm to 11 mm (3/8" to 7/16"). The Bertoia round bar is 7/16" (inch) thick, which is 11.113 mm.

Installation:
To attach the gliders to the round metal of the frame, you need pliers (e.g., pipe wrenches) and an intermediate layer to avoid damaging the round metal (e.g., a towel, a piece of thick felt, or a piece of soft wood).

Place the spacer on top of the round metal of the Diamond, Bird, and Side Chair frame and the glider underneath the round metal. Then, grip the wood, round metal, and glider with pliers and press it onto the round metal. The gliders fit up to 7/16 inch, which corresponds to the round metal of the Diamond, Bird, and Side Chair frames. Therefore, some force is required.
In rare exceptional cases (max. 5%), the glider may twist on the rod. In this case, please stick a strip of double-sided adhesive tape inside the glider to fix it in place.

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  • Arrives around Apr 3
  • Returns accepted within 14 days
  • Cost to ship: $27.68
  • Ships from: Germany

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Reviews for this item (28)

5.0 /5

We calculate this number using an average of all ratings from the past twelve months.

5.0 Item quality
4.7 Shipping
5.0 Customer service
100% Buyers recommend
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Buyer highlights, summarized by AI
Fast shipping As described Great quality Would recommend Fits perfectly Clear instructions Well packaged
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5 out of 5 stars 5 This item

Holly Sep 26, 2025

Shipped quickly. Did not need customer service.

Holly Sep 26, 2025

5 out of 5 stars 5 This item

Angelo Jan 27, 2025

A+ as described, high quality

Angelo Jan 27, 2025

5 out of 5 stars 5 This item

Angelo Sep 14, 2024

As expected, At service +++

Angelo Sep 14, 2024

5 out of 5 stars 5 This item

L Feb 27, 2024

Amazing and super fast shipping! Thank you!

L Feb 27, 2024

DesignRestoration
We calculate this number using an average of all ratings from the past twelve months. 4.8
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4.9k sales
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5 years on Etsy

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Typically responds within a few hours

Smooth shipping Has a history of shipping on time with tracking.

Rave reviews Average review rating is 4.8 or higher.

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Listed on Mar 14, 2026