Turbo oil drain kit specifically for Nissan RB engines.
The kit includes:
1 x 500mm 10AN Stainless Steel Braided Hose
 1 x 10AN Straight Hose End
 1 x 10AN 45 degree Hose End
 1 x 10AN male turbo drain adaptor (available with 38mm or 50.8mm hole centres.)
 1 x 10AN to 3/4NPT adaptor
 Fasteners to suit
Please note that there are two sizes for the turbo drain flange adaptor as below:
50.80mm from the center of one hole to the center of the other. 
 38mm from the center of one hole to the center of the other.