Sears offers the Gladiator 48" GearTrack Heavy-Duty Channel, model no. GAWC041PZY, for $6.99. Opt for in-store pickup to dodge the $8.25 shipping fee. That's tied with last week's mention and the lowest total price we could find by $16. It measures 48x6" and holds up to 75 lbs. per linear foot.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.