4in stainless steel door hinges SS304 hinges offer enduring strength and rust-resistance, a wise selection for interior or exterior doors in American homes, particularly in coastal regions. Four ball bearings allow the doors to swing smoothly and quietly, offering you everyday ease without bothersome creaking or additional abrasion. Security is enhanced with a non-removable pin, which provides you with peace of mind knowing that your doors are safe from tampering and forced entry. Boasting a 35-50 pound load capacity, these hinges perform beautifully on medium-weight doors, ideal for the majority of residential and light commercial settings. They’re simple to install, so you can do it yourself or with a pro, and a quick wipe with mild soap and water keeps them looking sharp. High precision stamping test 5000 times Salt spray test 96 hours Fire Test 90 minutes No fancy packaging Be sure to always measure twice when choosing hinges — match to your door’s size and weight before purchasing for optimal fit and performance from your new hinges. Product: Satin Ball Bearing NRP Hinges 4" x 4"x 3 mm Square Corner Style Size: 4" x 4" (101.6x 101.6 mm) Hinge Radius: Square Corner Ball Bearing: 4 Balls Bearing Finish: Satin Stainless Steel Finished Material: Heavy duty 304 grade Stainless Steel hinge with Stainless Steel Non removable pin with grease Hanging: Use on Medium Weight Doors or Doors Requiring Medium Frequency Service Knuckles: 4 ∅12 Hole(s): 10 NRP-Pin: YES Loaded Capacity:35KGS Exterior Door Hinges Suitable Door Type: Flat Door Exterior Door Hinges Suitable Frame Type: Wooden Frame & Steel Frame Fixing Screw size : M4.8x35mm Door hinge Packing: 2 Pack Hinges X 20 PCS screw for mounting for added safety Or hold : 4 pack these hinges X 40 pcs screw door hingemate for per set view details of the vertical installation guide to well made and easy to install