icengineworks 1500NPSeries (1-1/2 NPS) Add-On Blocks 1500NPAO1-000

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 1-1/2 inch NPS pipe