Blackjack Lighting Steelos 24-Inch Square LED Cluster Pendant
Blackjack Lighting Steelos 24-Inch Square LED Cluster Pendant
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Steelos is a cluster of slim steel cylinders and glowing light guides of different lengths, hung from a 24-inch square canopy in an artful, random pattern. It arrives pre-arranged, and the cables can be re-adjusted any time after installation, so you can tune the shape to the room. Use it over a round or square dining table, in an entry or foyer, down an open stairwell, or in a restaurant, hotel lobby or showroom. In Matte Black or Polished Chrome, it brings a sculptural, Modern and industrial-chic edge to contemporary interiors.
It gives soft, layered light. Twenty-five integrated LED light guides glow at different heights at 90 CRI, warm 3000K as standard, so the fixture looks like a constellation and lights the space without glare. The driver runs on 120-277VAC and dims on TRIAC, ELV or 0-10V controls. Grippers hold each cable, so heights change in seconds with no cutting or splicing, between 12 and 106 inches.
Why it works as a centerpiece
- Sculpted randomness: 25 cylinders and light guides of varied lengths for an artful pattern.
- Re-adjustable: grippers let you change any height after installation, no cutting needed.
- Soft, glare-free: diffused LED light guides instead of bare points.
- True color: 90 CRI at 3000K, with 2700K, 3500K or 4000K available.
- Dims on almost any control: universal TRIAC, ELV or 0-10V on 120-277V.
- Expandable family: the same module joins into 2 x 4, 2 x 6 and 2 x 8 ft linear systems.
Where to use it
- Round or square dining table: over a table 42 to 60 in across, lowest pendants about 30 to 36 in above the top.
- Foyers and stairwells: extend the cables to fill a tall space; keep the lowest at least 7 ft above walkways.
- Restaurants and lobbies: a striking focal point over a feature table or seating area.
- Bedrooms and lounges: a dramatic alternative to a ceiling fixture.
Specifications
- Brand: Blackjack Lighting, Buffalo Grove, Illinois
- Part numbers: STL-24P-BL-27U-30K (Matte Black); STL-24P-PC-27U-30K (Polished Chrome faceplate with black housing)
- Series: Steelos Modular System
- Canopy: 23.9 in (60.7 cm) square, 2.5 in (6.4 cm) deep, 25 ports at 4.8 in (12.2 cm) spacing
- Cluster: about 21.5 in (54.6 cm) across
- Overall height: adjustable 12 to 106 in (30 to 270 cm)
- Light source: Integrated LED (24V) light guides
- Color temperature: 3000K standard (2700K, 3500K or 4000K available)
- Color rendering: 90 CRI
- Input: 120-277VAC, 50/60 Hz
- Dimming: universal (TRIAC, ELV, 0-10V)
- Finishes: Matte Black, or Polished Chrome faceplate with black housing
- Cable: adjustable grippers; no cutting or splicing
- Rating: dry location, IP20
- Warranty: 3 years on the LED light source and LED power supply; 1 year on materials and workmanship (original buyer, US and Canada)
Downloads
- Steelos Modular System spec sheet (PDF)
- Steelos installation instructions (PDF)
- Steelos 24 in IES files (ZIP)
About Blackjack Lighting and Stephen Blackman

Blackjack Lighting is a design- and technology-driven lighting maker based in Buffalo Grove, Illinois, outside Chicago. It is led by industrial designer Stephen Blackman, its President and Chief Design Officer. A Syracuse University industrial design graduate, he entered the lighting industry in 1984 at Sonneman Design Group and founded his own studio, Blackman Design Associates, in 1988, designing for manufacturers such as Kichler Lighting before launching Blackjack in 2013. His focus has always been practical: fixtures built around LED light from the start, with even, glare-free light, here arranged as a sculpture you can reshape yourself.
FAQ
How high should Steelos hang over a table?
Keep the lowest light guides about 30 to 36 in above the table top. Heights adjust from 12 to 106 in overall.
Can I change the pattern?
Yes. It ships in a pre-arranged random pattern, and the grippers let you raise or lower any cylinder at any time without cutting the cord.
How is it mounted?
The 24 in square canopy mounts to a ceiling junction box. Have a qualified electrician install it; see the instructions above.
Which dimmer works?
The universal driver dims on TRIAC, ELV or 0-10V controls, on 120 to 277V circuits.
Which finish should I choose?
Matte Black reads as a bold graphic cluster; Polished Chrome adds reflection and sparkle while the housing stays black.
Please note: Because this item is made to order or specially sourced, it is final sale.

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