Specification Brand : Garosa BulletPoint1 : 5 TYPES: There are five types of ball plungers, please choose the suitable types before you buy. BulletPoint2 : WIDE APPLICATION: Our spring plunger is widely applicable for mechanical devices, clamps, , automatic machines, etc. BulletPoint3 : CARBON STEEL: Our ball plungers are made of carbon steel material, that are sturdy and . BulletPoint4 : USE CONVENIENT: Our ball plungers are professional designed and are convenient for you to install. BulletPoint5 : 10 PIECES: There are total 10 pieces of ball plungers in one set that you may use for many projects. DriveSystem : External Hex ExteriorFinish : Black ItemName : Spring Plunger Ball, 10pcs M5 Carbon Steel Black Screw Thread Ball Spring Plungers Set Hex Socket Spring Plunger, Ball Nose Spring Plunger (M5*8(10PCS)) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : ball-screws Manufacturer : Garosa Material : Steel MetalType : Carbon Steel ModelName : Narooteg3udxrnq9a-01 ModelNumber : Garosatncvh7ykrf-01 NumberOfItems : 1 PartNumber : Garosatncvh7ykrf-01 ProductDescription : Specification: Material: Carbon steel Type: M5*8, M5*10, M5*12, M5*16, M5*20 (Optional) Quantity: 10pcs Weight: 8g~22g / 0.3oz~0.8oz (approx.)