Grip with dual compound material. Features: Pressure optimized core for enhanced pressure relief. Sleek anodized alloy lockring. Diameter: 30mm. Length: 130mm. Colour: Black.Colour: BlackMade in: ChinaOriginal Colour by Producer: BlackThickness (mm): 30.0Length (mm): 130.0Material: PolypropyleneMaterial: GelPackage Quantity (pcs): 2