Dhorcas (#16) 3/4" Threaded Motor and Black 3 1/2" Hands, Quartz Clock Movement Kit for Replacement FAST SHIPPING... get it in 2-4 business day Total shaft length: 1 1/16in. Motor size: 2 2/16" x 2 2/16" x 5/8" Threaded shaft length: 3/4in. For 11/16" thick dials Quiet, smooth sweep second hand motion. Precise degree is high