Commercial Grade Hinges are .180 thickness, use for 1 3/4" door thickness. Hinges have 4 ball bearings per hinge, Square Corners, 4.5" x 4.5" - Made of Steel with Steel pin, Non-rising removable pin with button tip and plug - For Use with Doors with High usage, including UL Fire Rated Door Openings - Furnished standard with Half wood screws (1-1/4" x 12 FPHW) and All machine screws (1/2" 12-24 FPHM) - ANSI A8111 Non-Removable Pin (NRP) for Medium Security Feature: The Non-Removable pin has a small set screw in the body of the barrel. This set screw is tightened down against the pin. The pin has a groove in the position where the set screw makes contact, allowing the set screw to seat. The set screw is positioned so it cannot be reached unless the door is opened. If pin removal is necessary, the set screw is merely removed and the pin tapped from the bottom in the usual manner.

• Hinges are .180 thickness, For doors 1-3/4" thick, Four ball bearings per hinge, 5 Knuckle
• Steel prime painted hinge with Steel pin, Non-rising removable pin with button tip and plug
• For Use with Doors with High usage, approved for UL Fire Rated Door Openings
• Heavy Weight, Commercial Grade, Template Hinges with Square Corners, 4.5" x 4.5"
• Non-Removable Pin (NRP) for Medium Security for Outswinging doors. Made in China

Hinges are .180 thickness, For doors 1-3/4" thick, Four ball bearings per hinge, 5 KnuckleHager Companies