Tender For tender for supply of 17"-17.25" od flat bottom junk mill, junk sub 4 1/2" od, hand slip for 5" od drill pipe, hand slip for 6.1/2" od drill collar, hand slip for 8" od drill collar, hand slip for 9.1/2" od drill collar, hand slip for 5.1/2" od casing, hand slip for 9.5/8" od casing, hand slip for 13.3/8" od casing, hand slip for 20" od casing, hand slip for 5.1/2" od drill pipe