Dr. Grip CL Play Balance is a mechanical pencil that allows you to customize the weight and center of gravity by combining and reassembling the included weight and material with two different inner grips. By reassembling the three inner grips of silicone and metal, you can adjust the weight and center of gravity to your comfortable writing. (Trendy Clear Colors) The body color has a calm dark color and a design that allows you to see through the structure inside. The outer grip is also transparent, so you can check the inner grip that has been reassembled. Available in 5 colors of 0.02 inch (0.5 mm) type, Clear Moss Green, Clear Red, Clear Navy, Clear Black, Non-Color, 0.01 inch (0.3 mm) type, Clear Navy, Clear Black, and Non-Color. Equipped with a Flex Reflection Mechanism: Equipped with pilot's unique flex reflection mechanism, just shake the pen to release the sharp lead.