Features:brand new and high qualityBrass material, iron spring, light and durable, low running sound, no loud noiseLight weight, high strength, high rigidity, small friction factor.Wear resistance, corrosion resistance.Nut specifications: T-nut, pitch 2mm, lead 8mm, one rotation of the nut is 8mm; T-nut, pitch 2mm, lead 2mm, one turn of the nut is 2mm. pitch 2mm, lead 4mm, one rotation of the nut is 4mmMulti-functional: suitable for 3D printer T8 screw and DIY engraving machine Specifications:Item name: Anti Backlash NutsColor: YellowNut Type: T-Nut Material: BrassPitch: Approx 2mmLead: Approx 8mm /4mm/ 2mm (Optional)Quantity: 1 SetFit for : Ender 3 CR-10 / Tornado/Clone 3D Printer Parts Note:This accessory does not contain a screw rod. The picture is for reference only.There might be little error of size for manual measurement.The colors deviation might differ due to different monitor settings, please kindly understand. Package includes:1PC x T8 Anti-Backlash Brass Nut