Product Search › 1-1/16 - 18 UNEF 1TP1.0618 Image 1 of 1 1-1/16 - 18 UNEF 1TP1.0618 $340.00 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.