Item # Price Per Unit #520 Flat Molds $3500.00 Per 100 sq.ft. #521 2 Step Corner Molds $75.00 Per mold #621 1 Step Corner Molds $75.00 Per mold Length: 5” to 18” approximate Height: 1.5” to 4.5” approximate Thickness: 1” to 2” approximate 50 multi-cavity molds per 100 sq. ft