Specification Brand : HARFINGTON BulletPoint1 : Size - Outer diameter: 5mm/0.2"; Total Length: 49.5mm/1.95"; Thread: M2.5*0.45*5mm; Needle Radius: 0.15mm/0.01"; Measuring Length: 41mm/1.61" BulletPoint2 : Material - Made of 303 stainless steel, with wear resistance, high toughness and impact resistance, and high bending strength. BulletPoint3 : Feature - Suitable for detecting the bottom of a groove or hole. Effective length is not include thread shank and knurling shank. BulletPoint4 : Application - Applicable to all kinds of dial indicators, height gauges, depth gauges, thread M2.5 measuring tools, etc interchangeable tools. BulletPoint5 : Note - Please allow 0-1mm error due to manual measurement. Please confirm the needle point contact point Length and Diameter you are ordering. Color : Silver-black ContainsLiquidContents : 1 ExternallyAssignedProductIdentifier : 6781023668531 ExternallyAssignedProductIdentifier1 : 603908705680 ExternallyAssignedProductIdentifier2 : 0603908705680 IncludedComponents : Indicator ItemName : HARFINGTON Needle Point Contact Points R0.15 M2.5 Thread 41mm Length 303 Stainless Steel Pointed Head for Dial Digital Indicators Depth Gauge ItemPackageDimensions_Height : 9.1 centimeters ItemPackageDimensions_Length : 1.4 centimeters ItemPackageDimensions_Width : 6.1 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : dial-indicators Manufacturer : HARFINGTON Material : Other MeasurementAccuracy : ±.01mm ModelName : Fafeicyzy1dpit2ks ModelNumber : hta220826hh0502 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : hta220826hh0502 Pattern : Solid ProductDescription : Contact point for use with most series dial test indicators. Made of 303 stainless steel, with wear resistance, high toughness and impact resistance, and high bending strength. Applicable to all kinds of dial indicators, height gauges, depth gauges, thread M2.5 measuring tools, etc interchangeable tools. Suitable for detecting the bottom of a groove or hole. Effective length is not include thread shank and knurling shank. Notice: Please allow 0-1mm error due to manual measurement. Please confirm the needle point contact point Length and Diameter you are ordering.