Amazon [amazon.com] has 6-Count Pentel EnerGel RTX Retractable Gel Pen, Medium 0.7mm (BL77BP6M1) for $9.41 - 5% when you check out via Subscribe & Save = $8.94.
Shipping is free with Prime or on $35+ orders.

Price
$12.66 lower (59% savings) than the list price of $21.60
$6.09 lower (41% savings) than the previous price of $15.03

Subscribe & Save
5%: $8.94
10%: $8.47
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4.8⭐ / 4,422

amazon.com/dp/B071HBSFG9 [amazon.com]

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