Specification Brand : Walfront BulletPoint1 : Made of carbon steel material, these ball plungers are sturdy and . BulletPoint2 : Widely applicable for mechanical devices, clamps,, automatic machines, etc. BulletPoint3 : Easy to install and convenient to use. BulletPoint4 : They are great parts for providing pressure and accurate positioning. BulletPoint5 : There are total 10 pieces of ball plungers in one set that you may use for many projects. BulletPoint6 : 3. Ultra-quiet, high wear resistance, high precision and high hardness BulletPoint7 : 4. Smooth and non-stuck, long service life Color : Black DriveSystem : External Hex ExteriorFinish : Alloy Steel ExternallyAssignedProductIdentifier : 7505538202177 ExternallyAssignedProductIdentifier1 : 750886197591 ExternallyAssignedProductIdentifier2 : 0750886197591 ExternallyAssignedProductIdentifier3 : 00750886197591 GradeRating : Standard ItemName : 10Pcs Screw Thread Hex Set Screw Ball Springs M12X1.75 Socket Carbon Steel Ball Spring Plungers Set (M12*25(10PCS)) ItemPackageDimensions_Height : 14.4 centimeters ItemPackageDimensions_Length : 1.8 centimeters ItemPackageDimensions_Width : 11.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : ball-screws Manufacturer : WALFRONT Material : Carbon Steel Material1 : NBR(Buna Rubber) Material2 : Carbon Steel MetalType : Carbon Steel ModelName : Walfrontd4grt53fbc-03 ModelNumber : WALFRONTd4grt53fbc-03 NumberOfItems : 1 NumberOfPieces : 10 PartNumber : WALFRONTd4grt53fbc-03 ProductDescription : Specification: Material: Carbon steel Type: M12*16, M12*20, M12*25, (Optional) Quantity: 10pcs Weight: 82g~156g / 2.9oz~5.5oz (approx.)