Description: 【Material】Scuba diving BCD valve element is made of quality steel material, which is durable and wear resistant. 【Feature】Comes with O shaped rubber ring, wear resistant, threaded connection is firm and airtight. 【Use】The old spool can be easily disassembled with the K valve maintenance tool and replaced with a new 1, saving the cost of the K valve. 【Design】There is a safety discharge mouth with placement on the side of the hand. 【Connect】The ports are connected in a threaded way for a close firm connection, not easy to fall off. Specification: Mateiral: Steel Size Chart: 4.2cmx2.2cmx1.6cm/1.65inchx0.87inchx0.63inch Package Includes: 1 Piece Scuba Diving BCD Valve Element Note: Please allow slightly errors due to manual measurement and different monitors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store