... grades (J55, K55,N80, L80 and P110), six sizes (1.9", 2-3/8", 2-7/8 ", 3-1/2", 4 ... ), two categories (nonupset and external upset) and six sizes (1.9", 2-3/8", 2-7/8 ", 3-1/2", 4 ... 1/27.70-3.50088.90.2165.49PNPNPN-9.209.300.2546.45PUNPUNPUNPUN10.20-0.2897.34PNPNPN-12.7012.950.3759.53 ... 1/212.6012.754.500114.30.2716.88-P--15.20-0.3378.56-P--17.00-0.3809.65-P ...