Drawplate Triangle 87% 6mm-3mm 31 Holes Gemological Instruments The OttLite® Portable Full Spectrum

The OttLite® Portable Full Spectrum Lamp delivers accurate

Designed specifically for popular 5-1/2" x 2-3/4" sized charcoal blocks

each mounting arrives ready for setting and sizing

000 microns = 1 millimeter

the AA751 is constructed from heavy-duty steel and manufactured in Canada

Drawplate Triangle 87% 6mm-3mm 31 Holes Gemological Instruments The OttLite® Portable Full SpectrumThe Triangle Drawplate 87% Isosceles, 6 mm3 mm, 31 Holes is a precision steel drawing plate designed for reducing and shaping wire into a consistent triangular cross section. This isosceles triangle profile features two equal sides that measure 87% of the base, corresponding to factory ratio designation SP 139. The plate offers 31 precisely graduated holes, with the largest opening measuring 6 mm 5. 2 mm and the smallest at 3 mm 2. 6 mm, allowing for