Specification Brand : Central Tools BulletPoint1 : Used for hole depth and step height. BulletPoint2 : Zero setting at any position BulletPoint3 : The conversion of mm and inch at any position BulletPoint4 : The lead time is about 3 business days, Fedex/DHL/UPS Shipping to USA is 4-7 days. ExternallyAssignedProductIdentifier1 : 301652905829 ExternallyAssignedProductIdentifier2 : 0301652905829 ItemName : Digital Drum Gage ItemTypeKeyword : depth-gauges Manufacturer : Unknown Material : Stainless Steel ProductDescription : 4"–20" Range inch/metric Depth stops to accurately measure bell mouth Large, easy to read digital display ProductSiteLaunchDate : 2019-04-03T14:19:12.933Z