Specification Brand : Aicosineg BulletPoint1 : 【Dimension】-The head diameter is approximately:25 mm/0.98";Screw length:40mm/1.57" BulletPoint2 : 【Product Features】-The handle nut rod has a firm structure and is not easily deformed. The surface is smooth and can provide a comfortable grip. BulletPoint3 : 【Durable】-These star knobs have premium plastic handles, thick enough to give you a secure & comfortable grip. Besides, the long bolts are made of zinc-plated steel, hold tight, corrosion-resistant, not easy to break, ensuring long-time durability! BulletPoint4 : 【Star-Shaped Handle】-Using these star knobs nuts as jigs, fixtures, accessories and much more. They can give you a nonslip & comfortable hand grip. At the same time, provide smooth adjustments in your various applications without being scratched. BulletPoint5 : 【Wide Application】-The hand-tightened nut rod is suitable for fixtures, fixtures, feather boards, saw fences manufactured in the workshop; very suitable for saws, drill presses, lathes and wiring fixtures. It is essential to use with T-rail assemblies. The safe and firm handle can realize the final adjustment and tightening control. Color : M6 25*40mm 4pcs CompatibleMaterial : Metal, Plastic, Wood, Aluminum Alloy, Soft Metal, Gem, Jade, Glass DriveSystem : Star ExteriorFinish : Plastic,Steel ExternallyAssignedProductIdentifier1 : 618202163456 ExternallyAssignedProductIdentifier2 : 0618202163456 FinishType : Brass IncludedComponents : resin cut off discs, HSS circular saw blades, diamond cutting wheels, mandrels IncludedComponents1 : Knob IncludedComponents2 : Screw ItemName : Aicosineg Star Knobs Male Thread Clamping Knob Screw Hand Tightening Knob Quick Removal Replacement Parts M6x25mm Length 40mm Black 4Pcs ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 5 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemShape : Hexagonal ItemTypeKeyword : star-knobs Manufacturer : Aicosineg Material : Brass Material1 : Plastic Material2 : Metal Material3 : Diamond MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Brass MetalType1 : Zinc MetalType2 : Alloy Steel ModelName : cutting wheel ModelNumber : G23720 NumberOfItems : 4 NumberOfPieces : 6 PartNumber : EH8000S0410AI-FBA ProductDescription : Aicosineg Star Knobs Male Thread Clamping Knob Screw Specifications: The head diameter is approximately25 mm/0.98" Internal thread diameter:M6 Screw length:40mm/1.57" Material:plastic, metal Main color:black Description: 1.The appearance of the five-pointed star is conducive to tightening,locking and adjustment 2.Injection molding,threaded inserts are made of metal,durable and long service life 3.Screw-in design,easy to install,smooth lines,easy to rotate between finger grips 4.Widely used in furniture,shelf brackets,mechanical equipment,instrumentation,food and medicine industry equipment Package Content: Package Content:4x Clamping finger tightening screws