Nylon Cleaning Brush for 1"-1.2" Tubes, 8.75" Human Anatomy_Human Anatomy Models and follicular stages from primordial

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

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

and heart-tube formation for embryology and developmental biology teaching

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

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

Nylon Cleaning Brush for 1"-1.2" Tubes, 8.75" Human Anatomy_Human Anatomy Models and follicular stages from primordialBuilt for scrubbing narrow diameter glassware, this fan shaped nylon brush rides a twisted stainless steel handle flexible enough to bend around difficult interior angles.