3M 33440, Cubitron II File Belt, 33440, 80+, 10 mm x 330 mm (3/8 in x 13 in), 7100033195, 10 belts per carton, 5 cartons per case 
3M 20967, Portable Utility Cloth Roll 314D, P240 J-weight, 1 in x 20 yd, 7010290604 
Insize ISM-PM50, PORTABLE MEASURING MICROSCOPE, 50X, 6928640371080
$366.83
Total magnification 50X. Eyepiece 10X with graduation.
Objective (achromatic) 5X (numerical aperture: 0.12).
Working distance 1.69″. Graduation.0008″/ 0.02mm.
Viewing field .14″DIA. Focus range 1.18″DIA.
Illumination LED light. Diameter of base 2.48″DIA
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