This is a rotary parts 317 101-3/4" wheel. This wheel is made of metal and is 3/4" in diameter. This wheel is used in machines that need to move quickly and smoothly.
The Adams Rite 4510-16-101-313 Standard Duty Deadlatch Flat is a 7/8" backset deadbolt for use with aluminum stile doors. It is made of heavy-gauge steel for durability and features a standard keyway.
Adams Rite Manufacturing Co. AR Deadlock X 7/8 BS X RH X 4901 01 Str is a deadbolt with a 7/8" bore size and a 1" stroke. It is made of stainless steel and has a rust-resistant finish.
The Adams Rite 4510-15-101-313 standard duty deadbolt is designed for use with aluminum stile doors. It features a 7/8" backset and a standard 3-pin tumbler.