characteristic: Apertures are 6x17mm, 7x14mm, 18x10mm, 18x8mm and 18 x 5.5 mm; Wall mounting holes: two 6mm. These brush holders are made of environmentally friendly wood, which is tough and durable. Carefully and polished, smooth and delicate. This brush holder can to 67 pens, brushes or other painting tools, and has five different sizes of holes to adapt to diameters. Whether you need to store brushes, watercolor brushes, makeup brushes, eyeliner or colored pencils, this brush holder can meet your needs. It can help you keep your tools clean and convenient. You can put this brush holder on the table or install it , depending on your preference and convenience. It can be easily assembled without any tools, and can accommodate types of brushes. describe Name: Brush holder Number of holes: 67 Material: Wood colour: wood Package Contents: 1 x Pen holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.