MUTEKI 32901S SR48 Series Silver 12mm x 1.25" Thread Size Open End Locking Lug Nut Set Extended 48 millimeter length open ended design with a special lock feature Each SR48 lug nut weighs just under 2 ounces Oversized 60-degree taper seat for better contact area Open end lug nut style Consists of 4 locks and 2 keys