Product Search › 11/16 - 20 UN 1TP6820 Image 1 of 1 11/16 - 20 UN 1TP6820 $150.00 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.