Sears offers the Stanley Retractable Utility Knife, model no. 10-779, for $4.99. Opt for in-store pickup to dodge the $4.99 shipping charge. That's the lowest price we could find for it shipped by $2. It features a cushioned and slip-resistant Dynagrip and interlocking nose to secure the blade.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.