Sears offers the Craftsman 1/6-Horsepower 6" Bench Grinder, model no. 21124, for $45.99 with free shipping. That's $4 under our February mention and the lowest total price we could find by $51. It features a 36-grit wheel, 60-grit wheel, and lamp.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.