Product Search › 2-1/8 - 16 UN 1TP2.1216 Image 1 of 1 2-1/8 - 16 UN 1TP2.1216 $545.00 Part identification and A, B, C, and D dimensions listed within the product selection. Dimension reference image below. Quantity: Add To Cart Added! Part identification and A, B, C, and D dimensions listed within the product selection. Dimension reference image below.