Sears offers the Craftsman Nut Cracker, model no. 94772, for $8.99. Opt for in-store pickup to dodge the $5.99 shipping fee. That's a buck under our May mention and the lowest price we could find by $14. It splits nuts from 5/16" to 7/8" across.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.