Draper 1/2"" Male to 1/4"" BSP Male Taper Reducing Union (Sold Loose) BSP parallel. Sold loose. Dimensions3.80cm x 2.20cm x 2.20cm Weight0.05kg The Draper 1/2"" Male To 1/4"" BSP Male Parallel Reducing Union is a standard screw thread type adopted internationally for interconnecting and sealing pipe ends by mating individual threads. SpecificationsTypeMale parallel reducing unionSize1/2in