Cheap And Discounts 3pcs New approach switch NBB5-18GM50-E2-V1 NBB5-18GM50-E0-V1 NBB5-18GM50-E3-V1 NBB8-18GM50-E3-V1 Wholesale. Buy Directly From Merchant Robot Parts Industrial Shop Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.