Check the listing for details. Tesa Brown & Sharpe 599-579-25 T-Bar Depth Base for 6" & 150mm Calipers. Condition: New. Listed at 47.29 USD. ApplicationsInside, outside, depth and step measurements.FeaturesGraduation: .001" (.02mm).100" (2mm) per revolution.Covered Stainless steel rack.6" calipers are anti-backlash, shock proof design.Rugged Stainless steel construction and satin chrome finish.Furnished with fitted case. Slide lock.Tesa Brown & Sharpe 599-579-25 T-Bar Depth Base for 6" & 150mm Calipers Product Specifications Brand TESA Brown & Sharpe Model # 599-579 For Use With 6" Calipers Finish Coating Satin Chrome Finish Inside Measurement Yes Price Table Description T-bar depth base - 3" wide for 6" & 150mm calipers only Prop. 65 Yes Range Per Revolution 0.100" Suitable For Caliper Gauge of Capacity 6" Thumb Wheel No Tool Material Stainless steel Type Depth Base Attachment Type of Reading Inch/Metric Weight 0.125 lbs. Country of Origin Import Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.