Specification Brand : Small Parts BulletPoint : Ceramic Plunger BulletPoint1 : Body and nose is 12L14 Steel with Black Oxide Finish BulletPoint2 : Excellent wear resistance BulletPoint3 : Manufactured In United States BulletPoint4 : Application - A telescopic lock pin is an indispensable accessory in the machinery industry, which can prevent inaccurate positioning and errors in pinhole matching. It is widely used in chassis, cabinets, electrical appliances, automotive, or the positioning and limit structure design of precision instruments such as jigs and fixtures. BulletPoint5 : Instructions - By operating the knob to pull out or insert the pin, you can easily and quickly locate and fix the mechanical elements of the workpiece. Color : Black ExteriorFinish : Heat Treatment FitType : Vehicle Specific IncludedComponents1 : inc IncludedComponents2 : inc IncludedComponents3 : inc IncludedComponents4 : inc IncludedComponents5 : inc ItemDisplayDimensions_Diameter : 0.39 inches ItemName : TE-CO 52009 Plunger, Spring, Steel, Black Oxide, 3/8-16 (Pack of 5) ItemPackageDimensions_Height : 15.5 centimeters ItemPackageDimensions_Length : 0.8 centimeters ItemPackageDimensions_Width : 9.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : ball-nose-spring-plunger Manufacturer : TE-CO Material : steel ModelName : 5150 ModelNumber : 52009 NumberOfBoxes : 1 NumberOfItems : 5 NumberOfPieces : 1 OeManufacturer : DICSCL PARCS PartNumber : 5200901 PinType : Spring PowerSourceType : gas_powered , Electric , etc ProductDescription : The spring pin is made of stainless steel, which has high hardness, corrosion resistance, rust resistance, and durability. The spring plunger with a knurled handle for manual expansion and contraction. And equipped with nuts to lock in various mechanical equipment. It is an important part or component of the machine. It is used for locking and fixing the base of the optical axis fixture and is practical and convenient. widely used in precision structural positioning and limit design in non-standard automation industries and tooling fixtures. It is also used in cabinets, electrical appliances, and cars.