Zoro Tools offers the Stanley Solid Frame High Tension Hacksaw, model no. HSTHT20138, for $5.49 with free shipping. That's $4 under our February mention and the lowest total price we could find by today $7, outside the mentions below. It features a 12" blade, all metal frame, and a 90° and 180° adjustable blade angles.

A close price: Amazon charges $5.96 with free shipping for Prime members; Sears charges the same with in-store pickup.