Bestekmall offers the Bestek 740-joule 6-Outlet Surge Protector Block Mount in Black for $16.23. Coupon code "FORPRO60" drops it to $6.49. With free shipping, that's the best deal today by $4 and tied with our mention from three weeks ago as the lowest price we've seen. It's spike-rated for a maximum of 20,000 amps and features six outlets and coaxial cable protection.