The LIANG MODEL L0442d 3D Printed Nuts & Bolts are designed for scale models ranging from 1.2-2.0 mm in size, with a total of 270 pieces included in the set. Made from 3D printed plastic, these nuts and bolts are compatible with scale models in the 1/72 to 1/16 range. Manufactured in China by the trusted brand LIANG, these detailed parts are perfect for adding realistic texture and functionality to your scale model projects.