Presidium Electronic Gemstone Gauge Elgin 855 0740 is made specifically for

0740 is made specifically for FHS movement 341-Dead Beat

Punches and the v-shaped blade are available separately

CP-0852 Movement Casing Clamp for Hermle FHS 771 RIGHT (factory # E001-4090R)

10 x 380 (15")

Presidium Electronic Gemstone Gauge Elgin 855 0740 is made specifically forPresidium Electronic Gemstone Gauge A convenient digital gauge with precise accuracy, to measure gemstone dimensions and gives direct carat conversion (with precision to 3 decimal places) for round brilliant cut diamonds. Its touch button zeroing allows the convenience of resetting to zero at any measurement point. An attachment for high setting jewelry provided as an accessory. Compact protective case included with auto magnetic power off when placed