This is high quality replacement carbon brush for Ametek Lamb Electric Vacuum Motor. Replaces Part Numbers: 2311480, 333261, 33326-1 Please remember when you are installing them to make sure the carbon brushes go in completely and stay straight. It is normal to need to hold them in until the connector is re-secured. Carbon motor brushes are one of the most components for power tool. Replacing brushes can fix an intermittent motor. New brushes can restore a motor's electric braking. The carbon brush is retractable. Fit for: For Ametek Lamb 115737, 115750, 115792, 115757-P, 116114-00, 116146-00, 116197-00, 116207-00, 116210-50, 116210-85, 116212-00, 116212-07, 116212-08, 116212-09, 116311-00, 116311-01, 116336-00, 116336-01, 116378-00, 116429-00, 116551-50, 116669-50, 116671-50, 116758-13, 116758-29, 116884-49, 116932-01, 117213-50, 117433-00, 117556-00, 117825-13, 119347-00, 119419-00, 119514-00 Specification: Dimensions: As pictures shown. Total length: 7.5cm(2.95 inch) Case length: 3.8cm(1.50 inch) Quantity: 1 pc Color: brown + black Material: PC Package Contents: 2 x Carbon Brush(other accessories demo in the picture is not included.) Note: Transition: 1cm=10mm=0.39 inch Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.