Specification AgeRangeDescription : adult Brand : HARFINGTON BulletPoint : Price For: Each BulletPoint1 : Size - Outer diameter: 5mm/0.2"; Total Length: 31mm/1.22"; Thread: M2.5*0.45*4.5mm; Needle Diameter: 3mm/0.12"; Measuring Length: 20mm/0.79" 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. BulletPoint6 : Shipping Weight: 0.5Lbs Color : 350mm Watch Base ExternallyAssignedProductIdentifier : 9433446301089 ExternallyAssignedProductIdentifier1 : 603908706052 ExternallyAssignedProductIdentifier2 : 0603908706052 IncludedComponents : Indicator ItemName : HARFINGTON Needle Point Contact Points 20mm Length 3mm Dia M2.5 Thread 303 Stainless Steel Flat Head for Depth Gauge Dial Indicator ItemPackageDimensions_Height : 9.2 centimeters ItemPackageDimensions_Length : 1.6 centimeters ItemPackageDimensions_Width : 5.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : dial-indicators Manufacturer : HARFINGTON Material : Carbide MeasurementAccuracy : 0.0001" ModelName : HyKab ModelNumber : hta220826hh0486 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : hta220826hh0486 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.