Hvy Duty Tri-Ang Scr 4" 
21mm Hexa Shape Black Loupe 
Bengle Expanding Machine 26 Strip 
Dual Hexagonal Magnifier Loupe 10x And 20x 
Glass Slab Rectangular Prism 4½”
$0.00
Glass Slab Rectangular Prism 4½”
* Shape: Rectangular 4½”x2½”x¾”
* Material: Glass
* Edges Are Sharp & Straight Forming Right Angles.
* Slab Is Smooth & Transparent, Allowing Light To Pass Through.
* Great Optics Educational Tool For Display Purpose.
