These are chalk holders with a magentic stripe. 6 per pack.
Hagoromo Chalk Holder with Magnet Attached [Blue Cap and chalk]
PROTECT: Plastic body covers the entirety of chalk protecting it from breaking and prevents messes SINGLE CHALK INCLUDED: All holders come with a
HAGOROMO Chalk Holder with Magnet Attached [White Boby & Chalk]
1pc Erasable Chalk Holder With Magnetic Tape, Chalkboard, Dry
Magnetic Chalk Holder, Dustless Double Spring Chalk Pen Holder
TAOM Magnetite Chalk Holder with Cup - Taom Billiards
chalk holder pack of 8 random
magnetic chalk holder, magnetic chalk holder Suppliers and
Dr. V's Custom Hexagon (Roku) Magnetic Pocket Chalker - Seybert's
1pc Erasable Chalk Holder With Magnetic Tape, Chalkboard, Dry
Dr. V's QCNEO Neo Magnetic Chalker - Square, Octagon Or Hexagon
Magnetic Pen Holder-chalk Holder Magnet Teacher Gift Neodymiun
Dr. V's QCNEO Neo Magnetic Chalker - Square, Octagon Or Hexagon