LEGO Support 4 x 4 x 5 Stanchion with Standard Studs (2680)

has been used in at least 2 LEGO sets over the past 25 years, since it was first used in 1999.

LEGO Support 4 x 4 x 5 Stanchion with Standard Studs (2680)

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LEGO Support 2 x 4 x 5 Stanchion Inclined with Thin Supports (4476) Comes In

The Yellow Support 2 x 4 x 5 Stanchion Inclined, 5mm wide posts was released in 1983 and has been used in 4 sets to date in the following categories

Lego Parts: Support 2 x 4 x 5 Stanchion Inclined, 5mm wide posts (PACK of 4 - Yellow)

LEGO Support 2 x 4 x 5 Stanchion Inclined with Thin Supports (4476) Comes In

LEGO SUPPORT STANCHION, 4 x 4 x 5, Tall Studs, No: 2680, 9 Pieces, Monorail £17.99 - PicClick UK

LEGO 6399 Airport Shuttle Set Parts Inventory and Instructions - LEGO Reference Guide

LEGO SUPPORT STANCHION, 4 x 4 x 5, Tall Studs, No: 2680, 9 Pieces, Monorail £17.99 - PicClick UK

LEGO Rebrickable inventory for 6897-1 Rebel Hunter