icengineworks 3000FESeries (3OD) Add-On Blocks 3000FEAO1-40-15D

Purchase this set of add-on blocks when you need to expand your existing Icengineworks kit. These blocks are available in all of the same radii as found in the Basic, Pro, and Full Systems, just smaller quantities.

• Add on blocks to expand your modeling kit
• 20 pieces per kit
• For use with 3 inch tubing