You are buying Proform 66781 Valve Lash Adjusting Wrench Set. Wrench Size: 5/8″ T-Handle Size: 3/16″ & 7/32″ This set is works on Rocker Arm Adjuster nut size 5/8″ wrench and either 3/16 or 7/32 allen set screw This simple T-handle and wrench set makes adjustment very easy, cutting the adjusting time in half. Simply position the adjusting handle wrench over the rocker arm lock-down (make sure you have purchased the set with the proper sized wrench), and drop the appropriate T-handle down through the hole in the wrench – with one hand doing the job of two! Then make the lash adjustment with a feeler gauge according to the camshaft manufacturer’s specifications. Brand New in Box About us All items we list are in stock and we ship within 1 business days after payment is cleared. We have been in the performance business since 1995. Payment Paypal with confirmed address. Sales tax Sales tax is applicable in the following states: Florida. Shipping We ship within 1 business days after payment is received. UPS or USPS. If an item have free shipping we choose the most economical shipping method which could be first class mail and could take a little longer than usual. Signature confirmation is required on all shipments above $ 250.00 International shipping You will find international shipping rates under the shipping and payments tab. We do combine shipping for multiple items. For these shipping rates please contact us. If an item says free shipping in the continental US you have to contact us for international shipping rate. PLEASE NOTE: Import duties and taxes are not included in this price. These charges are the buyer’s responsibility. We do not mark merchandise values below value or mark items as “gifts” – US and International government regulations prohibit such behavior.