S-93/77-43 Optional Longer Shaft 43" & Sheath Combo Krohn Standard 3/32" diameter shaft fits

Standard 3/32" diameter shaft fits most flex shafts and rotary handpieces

The tapered nozzle concentrates airflow to intensify suction

The pin hole sizes on top of this block are compatible with GRS pin tools used in the GRS attachment sets

This 10× darkfield loupe with flashlight is designed for grading loose and mounted stones with enhanced visibility of internal features

S-93/77-43 Optional Longer Shaft 43" & Sheath Combo Krohn Standard 3/32" diameter shaft fitsThe Foredom S 93 77 43 Shaft & Sheath Combo is a longer length, factory assembled replacement set consisting of the S 93 43 Inner Shaft (43") and the S 77 43 Outer Sheath (46 3 8"). Pre lubricated and ready to install, this combo is designed for Foredom key tip flex shaft motors when extra reach beyond the standard 39" 36 1 4" configuration is required. Also referred to as a Key Tip Motor Shaft and Sheath. Features Longer reach: 43" inner shaft paired