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Technic Beam Triangle Thin [Type II]
Part

Technic Beam Triangle Thin [Type II]

99773

Technic Beams

Appears in 143 official sets

Catalog rarity

Common

Used in 143 official sets — a staple element in many builds. Available in 4 catalog colors.

Based on official set inventories in our catalog — not market price or production volume.

Best sets to source this part

Smallest official sets that include this element — useful when you only need one piece, not the whole theme.

Technic Beam Triangle Thin [Type II] (part 99773) is a Technic Beams used in 143 official LEGO sets. Scan or search to authenticate loose parts and check market value. Open the parent-set list to see which themes and years used this mold — essential when a common shape appears in a rare color or print.

  • → Category: Technic Beams
  • → Appears in 143 official sets
  • → Scan a photo to identify this part instantly
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Market value

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Color variants

Light Bluish Gray Dark Bluish Gray Yellow Black

Related parts (prints, molds, alternates)

Sets containing this part

179 sets · page 1 of 8