Jewelers Master GIA Student Bur Kit Ring Sizers & Stretchers 63 mm Link Gauge /

63 mm Link Gauge / Thickness 25 ga

Reduces magnification while increasing focal length and working distance

this unit produces 4

Accepts standard HSS twist drills with uniform diameter throughout

Jewelers Master GIA Student Bur Kit Ring Sizers & Stretchers 63 mm Link Gauge /This comprehensive master bur kit, widely used by GIA students, brings together four carefully selected Busch bur assortments to cover essential drilling, shaping, and stone setting tasks. From beginner exercises to more advanced jewelry projects, this set provides a versatile foundation of precision bursorganized and ready for bench work. Features Four coordinated Busch bur assortments covering core jewelry applications Includes twist drills, mixed