Dhorcas (#03) 1/2" Threaded Long Shaft Motor with Black 6" Hands, Quartz Clock Movement Kit for Replacement FAST SHIPPING... get it in 2-4 business days Threaded shaft length: 1/2" for up to 3/8" thick dials Total shaft length: 3/4in. Motor size: 2 2/16" x 2 2/16" x 5/8" Quiet, Travel Time Accurate, Precise Degree is High