This listing is for a BOSTON GEAR YA35 SpurGear with 20DP, 20PA, 35 teeth, and made of steel. The gear measures 2.000 inches in length and 3.000 inches in width, with a weight of 1.0000. It also comes with features such as SpurGear and is suitable for use in mechanical power transmission. Please refer to the provided aspects section for more details on the item. Thank you for considering this item!