Brick, Modified 2 x 4 with Top/Side/End Holes with Solid Studs
| Bricklink ID: | 3709c |
| Weight: | 3.940 g |
Sets with this part (from Bricklink)
Part color Light Gray| Set name | Release year | Quantity | |
|---|---|---|---|
 | 800 Gear Set | 1970 | 5 |
 | 802 Gear Supplement | 1970 | 5 |