Nylon Cleaning Brush for 1"-1.2" Tubes, 8.75" Human Anatomy_Human Anatomy Models Double-parallel plastic pulley with two

Double-parallel plastic pulley with two 50mm wheels in a steel frame and end hooks

the f/3 curvature stretching the focal throw for demos that need the focal point set comfortably beyond the mirror face

this adjustable board accommodates specimens for butterfly

and follicular stages from primordial through mature corpus luteum for reproductive anatomy and histology teaching

Nylon Cleaning Brush for 1"-1.2" Tubes, 8.75" Human Anatomy_Human Anatomy Models Double-parallel plastic pulley with twoBuilt for scrubbing narrow diameter glassware, this fan shaped nylon brush rides a twisted stainless steel handle flexible enough to bend around difficult interior angles.