Procurement Of Set Of Co2 & O2 Gland Nu Procurement Of Set Of Co2 & O2 Gland Nut. Co2 Gland Nut Brass, Size 7/8 Bsp, Centre Hole Dia 13.5 Mm, Rh Female Weight 60 Gram Minimum. O2 Gland Nut Brass, Size 7/8 Bsp, Centre Hole Dia 13.5 Mm, Rhmale, Weight 110 Gram Minimum. One Set Consist Of 01 No. Co2 Gland Nut & 01 No. O2 Gland Nut. Firm Has To Submit One Sample Of Each Before Bulk Supply..