【Package and Size】: You will get 1 piece T8 POM nuts, the size 24.2x12.7mm, the thickness is 10.5mm, the lead screw diameter: 10mm, the pitch: 2mm, the thread lead: 8mm. 【Application】: These nuts are for 3D printer whose mounting holes are M3 and two holes spacing 18mm. 【Features】: The nut has the characteristics of insulation, tensile and compression resistance, and has a good mute effect. It is a very good 3D printer accessory. 【Easy to Use】: POM Nut is very easy to use. The screw fixing hole is M3 and the distance between the two holes is 18mm. It is very easy to install and easy to operate. 【Material】: T8 lead screw is made of metal material, which is very durable, will not be damaged, and can be used for a long time. Specification: Material: Metal Size Chart: 1.27cmx2.42cmx1cm/0.50inchx0.95inchx0.39inch Package Includes: 1 T8 Nut Trapezoidal Screw(2 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.