chrome plated brass bib cock prolongation, highly polished, made of heat treated annealed brass, manufactured according to DIN 3523, Male x Female threading, available in the sizes:
3/8"x3/8" (in the lengths: 10 to 100m)
1/2"x1/2" (in the lengths: 10 to 100m)
3/4"x3/4" (in the lengths: 10 to 100m)
1" x 1" (in the lengths: 10 to 100m)

chrome plated brass double nipple with hexagonal nut body, made of heat treated annealed brass, manufactured according to DIN 2999, Male x Male threading, available in the sizes: 3/8", 1/2", 3/4" and 1". 

chrome plated brass reducing double nipple with hexagonal nut body, made of heat treated annealed brass, manufactured according to DIN 2999, Male x Male threading, available in the sizes: 1/2"x3/8", 3/4"x1/2", 1"x3/4" and 1"x1/2".

chrome plated brass reducing double nipple with hexagonal nut body, made of heat treated annealed brass, manufactured according to DIN 2999, Female x Male threading, available in the sizes: 1/2"x3/8", 3/4"x1/2", 1"x3/4", 1"x1/2", 1.1/4"x1", 1.1/4"x3/4", 1.1/4"x1/2", 1.1/2"x1.1/4",1.1/2"x1", 1.1/2"x3/4", 2"x1.1/2", 2"x1.1/4" and 2"x1".

chrome plated brass reducing piece with hexagonal nut body, made of heat treated annealed brass, manufactured according to DIN 2999, Female x Male threading, available in the sizes: 1/2"x3/8" and 3/4"x1/2". 

chrome plated brass reducing nipple with hexagonal nut body, made of heat treated annealed brass, manufactured according to DIN 2999, Male x Male threading, with chrome plated brass squeeze nut, available in the sizes:
1/2"x3/8"x10mm diam. 1/2"x3/8"x12mm diam.
 

chrome plated brass double nipple with hexagonal nut body, made of heat treated annealed brass, manufactured according to DIN 2999, Male x Male threading, with 2 chrome plated brass squeeze nuts, available in the sizes:
3/8"x3/8"x10mm diam. 1/2"x1/2"x10mm diam. 1/2"x1/2"x12mm diam.