Amazon.com: Prime-Line S 4137 Mailbox Lock – Replacement, Multipurpose Mailbox Lock for Several Brands – ILCO 1003M Keyway, Opens Counter-Clockwise with 90º Rotation, Nickel Finish (1 Set) : Tools & Home Improvement
Climax Metal 2C-200-KW Two-Piece Clamping Collar, With Keyway, Black Oxide Plating, Steel, 2" Bore, 3" OD, 11/16" Width: Clamp On Shaft Collars: Amazon.com: Industrial & Scientific
Climax Metal C-125-S-KW T303 Set Screw Collar, With Keyway, Stainless Steel, 1-1/4" Bore Size, 2" OD, With 3/8-16 x 3/8 Set Screw: Setscrew Shaft Collars: Amazon.com: Industrial & Scientific
2 Pack Brass Mortise Door Cylinder Lock, 1 1/8" Inch Length Keyed Standard SC1 Keyway, Door Replacement Lock Cylinder with 2 Keys Suitable for Home and Commercial Use (Golden). - Amazon.com
Essential Values Sliding Door Mortise Lock, 45° Keyway, 3-11/16 in. Spacing, Steel Replacement Latch Lock for Patio Doors - Amazon.com
Prime-Line E 2079 Mortise Lock, 3-7/8 In. Mounting Holes On Center, Aluminum Housing, 45 Degree Keyway, Round Faceplate (Single Pack) - Door Lock Replacement Parts - Amazon.com