RB2
Kemper RB2 · 108 mm (4 1/4 in) rib · Profile: a quarter-round wedge: two straight sides meeting a single convex sweep · Smooth-finished hardwood · Trues the wall and compresses the surface
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A 108 mm (4 1/4 in) hardwood potter's rib for shaping and compressing on the wheel. The profile is a quarter-round wedge: two straight sides meeting a single convex sweep.
RB2 is the 108 mm (4 1/4 in) rib in Kemper's potter's rib range. The profile is a quarter-round wedge: two straight sides meeting a single convex sweep. Kemper cuts these ribs from smooth-finished hardwood. A rib does two jobs at once on the wheel: it trues the wall and it compresses the surface, which is what closes up the throwing rings and reduces the chance of an S-crack later.
