... to me as though in some of these examples the blades of the second pair of ends do not end on the same timber... ??? I will try to check this out. Annoyingly I was looking at overall appearance when I took these shots- not details... This always comes back to be a pain... Then again- I have taken over 1k pics in one day on some trips- and my shoulders get to ache when I do that... Anyway... 3017_121752_240000000.jpg Notice that the sole plate for the first set of blades has a block of steel welded onto it outside each slide chair- to prevent it from being forced outwards and out-of-gauge. This is standard practice for points... Next- an enlargement of the second set of blades... 3017_121757_520000000.jpg The insulated joint in the split sole plate is clear- as is the block of steel at the right hand side outside the chair- which doesn't appear to be a slide chair... The ...