4pcs 1" 6x5.5 to 6x5.5 Wheel Spacers Adapters 6x139.7 with 12x1.5 Studs for 6 Lug Toyota 4Runner 96-15, FJ Cruiser 07-14, Tacoma 01-15, Sequoia, Tundra Thick: 1"/25mm; Hub bore: 108mm; With 12x1.5 pressed-in bolts. Fit for 6x5.5 / 6x139.7 vehicles bolt pattern, 6x5.5 / 6x139.7 wheels bolt pattern. Full installation kit. 6061 T6 billet aluminum body, grade 10.9 special lug threads, surface anode under oxidation treatment. Attention: Required that you check your vehicle compatibility before buying; Trained professional installation is highly recommended.