Good sealing connection: inner bushing with 1/8 BSP male thread and inner cone for a good sealing connection to a mini bore filling hose and swivel nut. Design: made of hexagonal bar, provides a larger sealing surface for the bonded seal. Can be used between the mini bore hose and the charging adjustment of the immersion cylinder. Application: Standard 1/8 BSP size for PCP air filling probe, also fits most quick connectors. Easy installation: easy installation and maintenance. Replacement for the internal quick connector. Stainless steel Durable in use. Corrosion resistant High strength and hardness. Color: Silver+Gold Material: Stainless steel+Copper Package contents: 1 x 1/8 BSP Quick Connector 3 x connector Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.