Item Type: Air compressor bracket assembly Exhaust Pipe: Approx. 6mm / 0.2in Contact Method: Normally closed Bracket Joint Size: Approx. 20mm / 0.8in Outside Diameter of Pressure Relief Port: Approx. 12.5mm / 0.5in Working Pressure: 5-8KG Life: 80,000 times Package List 1 x Switch 1 x Bracket 2 x Connector 2 x Pressure Gauge Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.The connecting pipe should be tightened without air leakage, and should not be over tightened. 1Dual pressure gauges can display pressure more quickly and conveniently adjust pressure. 2The product is featured with long service life, high quality, safer and more reliable use. 3Using a chromeplated pressure gauge, which is more durable, the part is a quality specification assembly. 4Made of high quality material, the product can be used for a long time and is durable. 5The assembly is featured with stable appearance and good performance.