These work. (Had purchased a pair from an e-bay supplier recently..they were useless; made from a thermo-plastic and incapable of fitting over the 'support washers' at either end.) My first 1970 1302S had these fitted. My current USA import 1974 1584cc semi-auto did not.It appears that USA models or possibly all the later Super Beetles had this part deleted. Fitting these to the steering shaft in not explained anywhere i've looked. I would suspect in production the 2 rubber boots were slid on the splined shaft before the u/j's were pressed on and crimped. These new boots look capable of being stretched over the u/j's but i avoided the risk of damage by index marking the upper (cleaner petrol tank end) u/j joint spline relation and removing the u/j joint with a wedge type ball joint tool. Yes.. the u/j is not meant to be removable so to remove you have to overcome the crimping on the spline.Hold the shaft firmly in the vice at correct angle to keep the wedge surfaces 'flat' to both vice and u/j. Clean shaft & u/j splines . Place shaft in plastic bag in freezer for an hour or so. Place u/j somewhere or on something very warm, central heating pipe out of boiler etc. When shaft is very cold and u/j very warm, fit both boots on shaft in correct direction and using punch tools tap u/j back onto shaft spline at correct index marking.Tap the u/j only at the base of it's yoke next to the shaft, this avoids damage to the u/j bearings. You do not have to re-crimp the shaft at the yoke shoulder. When every thing is back to the same temperature the yoke will be rock solid on the shaft.