10 x 7" Aluminum Dissection Tray, No Wax Item Type_Tray Simple-form wheel and axle with

Simple-form wheel and axle with a larger wheel on a smaller axle

supplied on a plastic-and-metal rack with a carrying handle for classroom transport

the shorter focal distance lifting magnification for fine-print and specimen detail work

this green LED on a demonstration base with 4mm plug connections lights up when current flows in the correct direction

paired with a 13 mm curved enamel-coated steel blade for portable benchtop and laboratory measurement tasks

10 x 7" Aluminum Dissection Tray, No Wax Item Type_Tray Simple-form wheel and axle withLightweight aluminum dissection tray provides a smooth wash down surface for introductory specimen work in biology and life science teaching labs.