Caution: color: we ship according to the color of the first picture, in the package: If the quantity is not stated in the , we will ship the item according to the quantity and model in the title.If the title does not have a quantity, it is 1pcs. 15 Inches 600ml sausage pneumatic caulking tool glass glue tool air rubber tool caulk applicator tool 1set the product is shipped based on the color or size of the main image of the product page. 15 Inches 600ml sausage pneumatic caulking tool glass glue tool air rubber tool caulk applicator tool 1set 15 inches 600ml sausage pneumatic caulking tool glass glue tool air rubber tool caulk applicator tool 1set working pressure: 6bar working noise: below 75db for diy use and professional use application: 1, general glass assemble,such as glass,window,and door 2, sealing,repairing and bonding the joint of other construction materials,such as aluminum,tile,some plastic and wood 3, other building or industry suggested use materials: epoxies, acrylics, silicones, polyesters. Epoxy acrylates, hybrids, urethanes. Polysulfides, foams, polymers, polyureas type: other average air consumption: 4cfm usage: renovation team size: 600ml model number: zr-631 colour: silver material:metal package contents: 1 set pneumatic glue gun 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 +/- 1-3cm.