Setobrick

LEGO part 4588: Brick Round 1 x 1 with Fins, Open Stud

Bricks Round and Cones11 colours169 sets

LEGO part LEGO part 4588: Brick Round 1 x 1 with Fins, Open Stud

Specifications

Reference4588
CategoryBricks Round and Cones
MaterialABS plastic
Colours11
Sets169
Listed pieces342
First appearance1995
Latest appearance2026
Element (Dark Bluish Gray)6331222 · 6321195
Most common colourDark Bluish Gray
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 4588, Brick Round 1 x 1 with Fins, Open Stud, belongs to the Bricks Round and Cones category. It exists in 11 colours and appears in 169 sets of our database, from 1995 to 2026, for a total of 342 listed pieces. Its most common colour is Dark Bluish Gray.

Number 4588 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in dark bluish gray, it is 6331222.

Part 4588 through the years

The oldest set in our database that contains part 4588 is 1793 Space Station Zenon, released in 1995 in the Space theme. It is still in use: the most recent set featuring it, 21066 New York City : The Big Apple, dates from 2026.

Its peak year is 2008, with 18 sets containing it. The set with the most copies is 7709 Sentai Fortress: 9 copies, against an average of 2 per set.

It is spread across several themes, led by Star Wars (13%), Exo-Force (10%) and Ninjago (6%). With 169 sets, it ranks no. 813 of 2,731 parts in our database and no. 23 of 78 in the Bricks Round and Cones category.

Sets containing part 4588, by period

PeriodSets
1995-19996
2000-200950
2010-201965
2020-202648

Colours of part 4588

4 colours appear in only one set: trans-dark blue (5943 Interior Designer), dark gray (7153 Jango Fett's Slave I), light gray (7317 Aero Tube Hanger) and medium lavender (41287 Bubbles Playground Showdown). 2 of its 11 colours are transparent.

Colour (element ID)SetsPiecesExample sets
Dark Bluish Gray6331222 · 6321195105225603501031275379
White6331225 · 63211973660102701029343202
Black6039178 · 4246931102310237790056915
Pearl Light Gray4267285515810888778101
Red6525482 · 633123456603554053321324
Reddish Brown4585503 · 4246930241015510152
Trans-Neon Green4156668 · 41445812347966773
Trans-Dark Blue4226535 · 458843125943
Dark Gray4163976 · 458827127153
Light Gray4246932 · 4156667117317
Medium Lavender62234171141287

Where to buy part 4588

Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.

Search part 4588 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 4588

Sets ranked by popularity that include at least one part 4588, in any colour.

More parts in the Bricks Round and Cones category

All parts in the Bricks Round and Cones category

Frequently asked questions

How many LEGO sets include part 4588?

Part 4588 (Brick Round 1 x 1 with Fins, Open Stud) appears in 169 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 4588?

Set 7709 Sentai Fortress, released in 2006, contains 9 copies, the highest count in our database. On average, a set containing part 4588 has 2.

Which colours does LEGO part 4588 come in?

11 colours are listed for part 4588. The most common is Dark Bluish Gray, found in 105 sets.

What is the rarest colour of part 4588?

According to our inventories, it is light gray, found in only 1 set (7317 Aero Tube Hanger).

What is the element ID of part 4588 in dark bluish gray?

In dark bluish gray, part 4588 has element ID 6331222 or 6321195. Number 4588 is the mould number, the same for every colour.

Is LEGO part 4588 still used in recent sets?

Yes: it appears in sets released in 2026, such as 21066 New York City : The Big Apple.

Where can I buy LEGO part 4588 individually?

Single parts 4588 can be ordered on Pick a Brick (lego.com) in colours currently produced, or on BrickLink for older colours. The part is also included in the sets listed on this page.