1873 18 22 by Parker | Legris Increaser | 3/8" Male NPT Thread x 1/2" Female NPT Thread | 27 mm Hex | 31.5 mm Hex | Straight | 316L Stainless Steel | Pack of 2Adapters and Manifolds: Part Number C1 C2 E F L Kg 1873 11 14 1 8" 1 4" 14 mm 17 mm 25 mm . 024 Kg 1873 11 18 1 8" 3 8" 14 mm 22 mm 25 mm . 039 Kg 1873 14 18 1 4" 3 8" 14 mm 22 mm 28. 5 mm . 043 Kg 1873 14 22 1 4" 1 2" 17. 5 mm 27 mm 31 mm . 066 Kg 1873 18 22 3 8" 1 2" 17. 5 mm 27 mm 31. 5 mm . 066 Kg