Large Inside Ring Bur - Fine, 3/8" x 3/4", 1/8" Shank sulfur Solder : Hard & Medium

Solder : Hard & Medium - 6" each

Steel economy blocks hardened then carefully drawn for stress relief

Curve Nose Burnisher

They cut precisely when new

all are ground and polished to prismatic optical standards to provide clearer

Large Inside Ring Bur - Fine, 3/8" x 3/4", 1/8" Shank sulfur Solder : Hard & MediumMade of carbide steel to assure extra long life, these inside ring burs are used for deburring, smoothing and finishing the insides of rings. Great for cleaning up hollow contraction ring and remove sprue from casting. This a larger version of inside ring bur (rotary files) Head Diameter: 3 8". Head Length: 3 4". Shank: 1 8". Cut: Fine.