Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon 2 Regulator Weight Core by PERRIN Sale $44.10 | / SKU 79-639 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 2 Regulator Weight Core is a lead clock weight specifically for #2 Regulator clocks. #2 Regulator Weight Core weighs 5 lbs.