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

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

the wider field simplifying specimen scanning and surface inspection in lab and hobby work

and three low-friction nylon wheels for straight-line momentum experiments

and extraocular detail for ophthalmology and sensory anatomy 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.