1/4-28 Hex Linkage Jack Screw Adjuster (Male RH / Male LH) $ 3.45 Qty: Add to Cart Material: C1045 Steel Zinc Plated A: 1.776 B: .156 C: .750 D: .750 E: 1/4-28 LH F: 1/4-28 RH G: 7/16