Hinge – Sprung Open 50 x 49mm Zinc Plated€1.00Hinge – Sprung Open 50 x 49mm Zinc Plated Hinge - Sprung Open 50 x 49mm Zinc Plated quantity Add To Quote Part Num: 71-1-3519 Category: Hinges Description DescriptionZinc Plated Mild Steel 50mm x 50mm x 2mm Sprung Butt Hinge with 4 x Ø5mm countersunk holes and Stainless Steel Closing Spring.