0163 27 21 by Parker | Legris Unequal Reducer | 3/4" Male BSPT Thread x 1/2" Female BSPP Thread | 27 mm Hex | 24 mm Length | Straight | Brass | Pack of 10Adapters and Manifolds: Part Number C1 C2 F L Kg 0163 13 10 1 4" 1 8" 14 mm 16 mm . 009 Kg 0163 17 10 3 8" 1 8" 17 mm 16. 5 mm . 009 Kg 0163 17 13 3 8" 1 4" 17 mm 16. 5 mm . 012 Kg 0163 21 10 1 2" 1 8" 22 mm 21 mm . 048 Kg 0163 21 13 1 2" 1 4" 22 mm 21 mm . 038 Kg 0163 21 17 1 2" 3 8" 22 mm 21 mm . 025 Kg 0163 27 13 3 4" 1 4" 27 mm 24 mm . 085 Kg 0163 27 17 3 4" 3 8" 27 mm 24 mm . 069 Kg 0163 27 21 3 4" 1 2" 27 mm 24 mm . 046 Kg