Aluminum Dissection Tray 11-1/4" x 7-3/8" x 1-3/8" Deep Stainless Tray Use straight pins to position specimens in this slope-sided 11-1/4" x 7-3/8" x 1-3/8" deep aluminum dissection tray. A 3/8" layer of white wax covers the bottom. Excellent addition to the laboratory or classroom.