The JS-6 straight medium" .0475" point tweezer is ideal for handling medium gems. The handles are serrated for better control. The longitudinal groove in the tips 'seat' the gem in a secure fashion. Product Categories: Jeweler's Instruments - Tweezers - Longitudinal Groove Application: Designed for handling gem stones - Groove holds stones securely. Size (Tip Width x Tip Height): .0475" (1.19mm) x n/a Body Width x Body Height: 0.345"(8.63mm) x 0.345"(8.63mm) Tip Angle: Straight OAL: 6.375"(159.38mm) Weight: 0.77 Ounces Max per Carton: 12 Country of Origin: Switzerland