Dexter 10K GD Torsion Axle Spindle Perfect Fit for Dexter 10K General Duty Torsion Axles Only:. This spindle is specially made to fit Dexter 10,000 lb General Duty Torsion Axles. It’s not compatible with other axle types or manufacturers, so you can count on a secure and accurate fit every time without worrying about mismatches. No need for a full axle replacement.