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https://cdn.shopify.com/s/files/1/0693/6733/3113/files/Union_Special_39500_Parts.png?v=1787325251 Union Special 39540 F – Differential Feed Eccentric, for all Sty les ex (39500) Union Special 51-45 – Stop Pin (39500) https://empenzoamericas.com/products/union-special-39540g-13-main-feed-eccentric-marked-eh 2026-08-22T08:33:32-04:00 daily https://cdn.shopify.com/s/files/1/0693/6733/3113/files/Union_Special_39500_Parts.png?v=1787325251 Union Special 39540 G-13 – Main Feed Eccentric, marked "EH" (39500) Union Special 51-45 – Stop Pin (39500) https://empenzoamericas.com/products/union-special-39540j-feed-eccentric-spacer-and-oil-slinge-r 2026-08-22T08:33:32-04:00 daily https://cdn.shopify.com/s/files/1/0693/6733/3113/files/Union_Special_39500_Parts.png?v=1787325251 Union Special 39540 J – Feed Eccentric Spacer and Oil Slinge r (39500) Union Special 51-45 – Stop Pin (39500) https://empenzoamericas.com/products/union-special-39540k-feed-eccentric-spacer 2026-08-22T08:33:32-04:00 daily https://cdn.shopify.com/s/files/1/0693/6733/3113/files/Union_Special_39500_Parts.png?v=1787325251 Union Special 39540 K – Feed Eccentric Spacer (39500) Union Special 51-45 – Stop Pin (39500) https://empenzoamericas.com/products/union-special-39540ll-8-hain-feed-driving-eccentric-for-no-8-3-16-or-12-3-1-6-gauge 2026-08-22T08:33:32-04:00 daily https://cdn.shopify.com/s/files/1/0693/6733/3113/files/Union_Special_39800_Parts.png?v=1787325251 Union Special 39540 ll-8 – Hain Feed Driving Eccentric, for No . 8 3/16 (39800) Union Special 41071 c – Nut, locking I (39800) https://empenzoamericas.com/products/union-special-39540m-14-eccentric-main-feed-driving-styles-xsd-cxsd 2026-08-22T08:33:32-04:00 daily https://cdn.shopify.com/s/files/1/0693/6733/3113/files/Union_Special_39500_Parts.png?v=1787325251 Union Special 39540 M-14 – Eccentric, main feed driving, Styles XSD, CX (39500) Union Special 51-45 – Stop Pin (39500) 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