For in-store pickup only, Lowe's offers the IRWIN 12" Mini Bar Clamp 4-Pack, model no. 1890692, for $24.98 ($6.25/clamp). That's the lowest total price we could find shipped for this quantity by $28. They're constructed of high-tech reinforced resin and feature up to 100-lbs. of pressure, pistol-grip design, and non-marring pads. Deal ends January 31.