ToolSmithDirect via eBay offers the Kawasaki 4.5" 6-amp Reciprocating Saw, model no. 841210, for $39.99 with free shipping. That's the lowest total price we could find by $8. It features a 6-amp motor generating up to 2,500 strokes per minute, 5-position rotating barrel, quick-change blade clamp, and 3/4" stroke length. Deal ends March 1.