Our large square knob features a 2" square self-adhesive base and 1.5" square pull with a 1/2" acrylic spacer.  All knobs are beveled and polished, have a mirror top and are individually wrapped.
 
Also available in packs of 10 for $35.50 ($3.55 ea.) and packs of 50 for $119.00 ($2.38 ea.).