304 STAINLESS STEEL ANTI-RUST CONSTRUCTION - Withstands rain, sun, and extreme weather for corrosion-free performance on garden gates, barn doors, and indoor/outdoor installations. 80 NEWTON SUPERIOR HOLDING POWER - Secures doors against wind gusts and accidental impacts, keeping driveway gates and heavy barn doors firmly in place. REINFORCED DUAL-ROLLER MECHANISM - Precision ball-bearing rollers and thickened steel body prevent deformation, ensuring 3X longer lifespan than standard catches. INSTALLATION FLEXIBILITY - Mounts via welding (metal gates) or screws (wood doors) using only a screwdriver - no professional tools required. TIPS - Engineered for door-to-wall gaps ≤40mm. So that the door catch can work properly APPLICABLE-Door stoppers,door stop,door stoppers for wall,door stops for bottom of door,black door stops, spring door stopper,door stoppers heavy duty,Door stop,door catch,Spring door catch,spring latch,spring door stopper,spring door stop,door hold open,spring loaded latch,double roller catch,spring loaded door latch,door ball bearing catch,door catches and latches,door catch spring ball Upgrade your property's safety with our professional-grade spring door catch. Secures doors against wind gusts and accidental impacts, keeping driveway gates and heavy barn doors firmly in place. ✅ ENGINEERED FOR EXTREME DUTY 304 Stainless Steel: Rust-proof 80N Force Core: Holds 18lb+ doors securely during 50mph winds Dual Ball-Bearing Rollers: Self-adjusting mechanism reduces friction wear by 70% vs single-roller catches ✅ UNIVERSAL INSTALLATION 〉Metal Gates: Weld-ready base plates (compatible with MIG/TIG) 〉Wood Doors: Includes mounting screws 〉Concrete Walls: Use anchor bolts (drill required) ✅ TECHNICAL SPECIFICATIONS ▶ Material: 304 Stainless Steel (Body/Rollers) ▶ Holding Force: 80 Newtons (18 lbs)