5 Wheel Adapters 5x4.5 to 5x5 1.25"(32mm) - Adapts Jeep Jk Wheels on Tj Yj Kk Sj Xj Mj (Set of 5) + 25 Chrome Accorn Lug Nuts Adapts Jeep JK Wheels on TJ YJ KK SJ XJ MJ 5 Wheel Adapters For Fifth Wheel + 25 Black Acorn Lug Nuts! Centerbore: 71.5mm. Spacer Thickness: 32mm (1.25 inch) Stud/Nut Thread Pitch: 1/2" Solid forged 6061 T6 aerospace grade anodized aluminum Next business day shipping!