Until recently Reverse Logic has focused on tools for DIY auto maintenance for high end vehicles. We just became an authorized Girodisc reseller. Girodisc 2-pc rotors are a direct replacement for OE discs. To promote our expansion into non-tool products we are including a set of three of our 1/2-20F-250 lug guide tools with the purchase of Girodisc rotors for Vipers. Reverse Logic Limited Store - Girodisc 2-pc rotors To take advantage of the FREE lug guide tool offer, add a set of three of the 1/2-20F-250 lug guide tools to your shopping bag and use coupon code "1/2F-250X3".