Type: Straight double BSP male thread long nipple, offered in 50mm,100mm,150mm lengths and 1/4" to 4" thread sizes for pipeline extension and spacing adjustment. Material: High-quality solid 304 stainless steel construction, rustproof, acid & corrosion resistant, sturdy for long-term fluid and gas transmission use. Color: Original silver metal finish, precision smooth thread without burrs, no coating shedding, clean appearance for exposed pipeline layout. Installation: Threaded screw-on connection, welding-free design; directly twist onto matched female fittings to lengthen pipelines quickly. Application: Ideal for domestic plumbing, air compressors, fuel pipelines, irrigation, industrial machinery and water treatment equipment connection., Manufacturer: LMLOZZ