ER16 COLLET SET--1/16" up to 3/8" by 16th --11 COMMON SIZES #ER16-SET11--NEW: Amazon.com: Tools & Home Improvement
LYWS ER16 ER-16 6mm Spring Collet Chuck CNC Milling Lathe Tool Bit Holder ER16-6 - - Amazon.com
SEALMASTER ER-16 1.0000 in ID, 1.3750 in Width, Standard Duty Duty, Bearing, Set Screw, 1 INCH BORE, Ball Insert Bearing - Round BORE, 2 INCH OD, 2.0472 in OD: Bushed Bearings: Amazon.com: Industrial & Scientific
500W DC Spindle Motor, ER16 High Speed Air Cooling Brushless Spindle Motor + Driver + Clamp for Engraving Machine Small Appliances, Electric Tools, Water Pump - - Amazon.com