This document outlines the specifications for three crude oil contracts - regular, regular intraday, and intraday exposure. Key specifications include a contract size of 250 barrels for regular and 100 barrels for the others, pricing in NPR per barrel, margins of 60,000, 30,000 and 15,000 respectively, and trading hours from 03:45-02:45 daily with closing from 02:45-03:45.