Bead Stringing Beading Sorting Tray 5 U Channel Board This is a new white plastic bead design board Great for craft projects, craft enthusiasts, bead string, aligning beads prior to stringing, sorting and organizing Features 2 compartments and 5 grooves to organize beads Has 5 grooves that can string up to 52" (132 cm) Has 6 grooves that can string up to approximately 8 1/4" (209.5 mm)