All Series > 400 Series Gear Drives > Nomenclature A0321 > Email Page Email Page In Reference To : Item Details : Item # A0321 , 400 Series 1:1.5 (Increasers) Gear Ratio, 1.25 Inch (in) Shaft Diameter, and B Rotation Gear Drive Your Information Send Email Cancel Required Fields * Recipient's Email * * Use Semicolon (;) for up to 5 addresses. Your Email * Your Name Send copy to self Comments reCAPTCHA E-mail addresses are used for this mailing request only and are not saved or used for any other purposes. For security purposes, your IP address will be included in the E-mail. Send Email Cancel