BONUS: Purchase 24 and receive 12 x PENTEL BL107 ENERGEL-X RETRACTABLE GEL INK PEN 0.7MM BLACK, And 12 more., Purchase 1 and receive 1 x UNI-BALL UMN307 SIGNO RETRACTABLE GEL INK ROLLERBALL PEN 0.7MM BLACK, And 1 x UNI-BALL UMN307 SIGNO RETRACTABLE GEL INK ROLLERBALL PEN 0.7MM BLUE, And 1 x UNI-BALL UMN307 SIGNO RETRACTABLE GEL INK ROLLERBALL PEN 0.7MM RED, And 1 x UNI-BALL UMN207 SIGNO RETRACTABLE GEL INK ROLLERBALL PEN 1.0MM BLACK, And 1 x UNI-BALL UMN207 SIGNO RETRACTABLE GEL INK ROLLERBALL PEN 1.0MM RED, And 1 x UNI-BALL UM151 SIGNO GEL GRIP COMFORT GEL INK PEN 0.7MM BLACK, And 1 x UNI-BALL UM151 SIGNO GEL GRIP COMFORT GEL INK PEN 0.7MM BLUE, And 1 x UNI-BALL UM151 SIGNO GEL GRIP COMFORT GEL INK PEN 0.7MM RED, And 1 x UNI-BALL UMR10 SIGNO GEL INK PEN REFILL 1.0MM BLACK, And 1 x UNI-BALL UMR10 SIGNO GEL INK PEN REFILL 1.0MM BLUE