Dhorcas (#015) 1/2" Threaded Motor and Long Straight 9" Hands, Quartz Clock Movement Kit for Replacement FAST SHIPPING... get it in 2-4 business days Threaded shaft length: 13.5mm / 1/2in. Quiet, smooth sweep second hand motion Total shaft length: 18.5mm / 3/4in. Peel off protective plastic film on hands