90031 (B-20 / pack of 3)TRADITIONAL ABS I BEAMS Use for horizontal or diagonal members in the construction of most steel structures. Precision Injection Molded in Dark Gray ABS Plastic. Ideal for all outdoor or professional model construction where model life is critical. High impact characteristics provide durability, flexibility and longevity of the model.

Simultaneous drives can be achieved from each end of the gear box - each with a different ratio if wanted

A specially formulated solvent cement for fast

virtually odorless

Glues well to itself

Note: 20Ó length

4 20 Tooth gears

Contents include: ¥ Clear Round

Use these thin Cork sheets for topography model base overlay or roadbed on model railroad layouts

Available in random

The end result is a product economical enough to be consumable

Also popular in craft and home decor projects

Precision injection Molded in ABS Plastic