Thumb Score: +15

Amazon [amazon.com] has DEWALT General Purpose Metal Cutting Wheel, 4″ x 1/8″ x 5/8″ (DW4418) for $1.99.
Shipping is free with Prime or on $35+ orders.

amazon.com/dp/B00004RH88 [amazon.com]

Please report the deal if expired (click report -> expired)
My other deals