Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Fourth Wheel Seconds Bit by Hermle Sale $21.61 | / SKU CP-0139 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Fourth Wheel Seconds Bit is a Hermle part specifically for movement 1161.853.