Stenner S50 Thumbscrews, 4/Pack, S5001-4By Stenner $12.99 | EA Quantity discounts available QuantityPrice1 – 2$12.993 +$12.47 Product #: 111963Mfr. Part #: S5001-4 This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Four pack of thumbscrews for Stenner S50 model chemical feed pumps. Product Specifications Type ... DetailsBackDescriptionFour pack of thumbscrews for Stenner S50 model chemical feed pumps.Product SpecificationsTypePartsBrandStenner