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precautions for use

zy-01s small size suitable for 20-30cm cylinder zy-01m medium size 40-60cm cylinder zy-01l large size suitable for 60-100cm cylinder zy-01xl extra large suitable for more than 1 m zhiyang zy-02s hand-held magnetic brush small size-suitable for about 4mm glass thickness zhiyang zy-02m hand-held magnetic brush medium-suitable for about 6mm glass thickness hx-02min small doctor blade magnetic brush hx-02mid medium doctor blade magnetic brush zhiyang zy-02l hand-held magnetic brush large-suitable for about 10mm glass thickness zhiyang zy-02xl hand-held magnetic brush special updated-zy-03l-white large size updated-zy-03pl-white large size enhanced version updated-zy-03s-white small updated-zy-03m-white medium updated-zy-03l-matte black-large updated-zy-03pl -- matte black-large enhanced version updated-zy-03s-matte black-small updated-zy-03m-matte black-medium new 8423 round magnetic brush new 8424-normal version hx-02max large doctor blade magnetic brush new 8423-s square magnetic brush-opp bag magnetic brush carbon fiber head 1 piece-optional additional purchase new 8425-enhanced version new 8426-enhanced version