Wheel adaptors, 12mm hex, 6061-T6 aluminum (blue-anodized) (4)/ screw pins (4)/ drill bit, 0.25 inch (TRX-6869)

Wheel adaptors, 12mm hex, 6061-T6 aluminum (blue-anodized) (4)/ screw pins (4)/ drill bit, 0.25 inch (for 6mm shafts) (requires #6451 (x2), #6452 (x2), #6439, #6455, #5117 (x3))