Whiteside 2042B Multi-Beading Set 1/2" Shank 3/8" Radius1 2"SH, 3 8"R, 5 8"CL Roundover and more! Conventional Beading only cuts a shallow 1 16 bead. Expand your capabilities with this versatile set. Deeper beads create a more pronounced edge on larger pieces. This set contains four bearings for traditional roundover, 1 16 bead, 1 8 bead, and 3 16 bead. Hex Key Wrench included. Materials: Natural woods, composite woods, hard plastics Recommended RPM: 12,000 14,000 (max 16,000)