Amazon [amazon.com] has Amazon Basics Exterior Door Knob With Lock (Classic, Matte Black) for $6.53.
Shipping is free with Prime or on $35+ orders.

Price
$3.58 lower (35% savings) than the typical price of $10.11
$14.14 lower (68% savings) than the previous price of $20.67

Customer reviews
4.4⭐ / 1,250 global ratings
500+ bought in past month

amazon.com/dp/B07GF5FTLN [amazon.com]

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