Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Rancilio Silvia Boiler Screw by Rancilio No reviews Save Liquid error (product-badge line 32): -Infinity% $2.00 | / 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 Direct from Rancilio, their part #37060514 (replaced #37060513 ~ 08/2017). 5 x 0.5 mm 12 mm length.