Specification Brand : HSCRSTAR BulletPoint1 : Thread diameter: 4.0 mm BulletPoint2 : Material: steel BulletPoint3 : Surface: nickel BulletPoint4 : T type head is made of high-quality thermoplastic, anti-corrosion, and anti-aging can be used for many years. Black Finger Grip Clamping Knob made of Hard Thermoplastic (1 1/2" width) BulletPoint5 : Easy to install and remove without any other tools, it can be used repeatedly. DriveSystem : Slotted ExteriorFinish : Stainless Steel ItemName : HSCRSTAR M4x12mm 10pcs Thumb Screws with Slotted Head, Steel, Nickel ItemTypeKeyword : thumb-screws Manufacturer : shitong Material : Stainless Steel Material1 : Nickel Material2 : Alloy Steel MeasurementSystem : Metric NumberOfItems : 4 PartNumber : SB ProductDescription : M4 x 8 mm thumbscrews with slotted head Thread diameter: 4.0 mm Material: steel Surface: nickel M4 x 8 mm slotted thumb screws Thread diameter: 4.0 mm. Length (L): 8.0 mm. Pitch: 0.7 mm Material: steel. Finish: Nickel Quantity: 20 pieces Cup diameter (D): 9.0 mm Head height (height): 7.0 mm ProductSiteLaunchDate : 2023-02-11T16:34:37.456Z Size : M4x12mm(10pcs) SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 100 UnspscCode : 31161500