TW 130B Accepts coins based on the diameter and thickness Capable of accepting a wide variety of coins or tokens Suitable for US 5¢ or 25¢ U.S. coins and Canadian coins 20mm-30mm diameter, 1.7mm - 2.5mm thickness Controlled by CPU program Precise/normal switch ensures quick, smooth coin insertion Special design for anti-EMI (electromagnetic interference) Back cover opens for convenient cleaning and maintenance