Rusticware Chrome Square Cabinet Knob in the Cabinet Knobs department at Lowes.com
20/10pcs Modern Cabinet Knobs Flat Black Cabinet Door Knobs, 1.2in Diameter Kitchen Cabinet Knobs Dresser Drawer Knobs, Solid Black Hardware Square Drawer Handles and Pulls for Cupboard Closet - Walmart.com
GlideRite 1-3/8 in. Matte Black Square Cabinet Knob (10-Pack) 5101-MB-10 - The Home Depot
Brainerd Casual Square 1-in Modern Gold Square Cabinet Knob (10-Pack) in the Cabinet Knobs department at Lowes.com