Air pressure adjustment range: 0-60 PSL. Scope of application: suitable for jewelry processing, electrics, telephones, reel beads, micro inlays, etc. Packing size: 35.53128 (CM) 8. Due to the light and screen difference, the item's color maybe slightly different from the pictures. Please allow 1-2cm differences because of the manual measurement.OR, you may choose to have a replacement. We'll do reply you as soon as possible and try our best to solve your problems out. Believe us, every customer is taken as our important treasure. Your cooperation would be much appreciated. We will reply you ASAP. Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have. This item is in the category "Jewelry & Watches\Jewelry Care, Design & Repair\Jewelry Tools & Workbenches". The seller is "wello_929" and is located in this country: CN. This item can be shipped worldwide.