Those saddles look like aftermarket Wilkinson brass compensated. Made by a couple of OEMs under Korean manufactured Guyker and ARM brands sold on AliExpress & eBay. They're nicely made and good saddles. I fitted them to a PRC made Tele (Precision Instruments) sold annually by ALDI for a few years I bought in early 2018. it was already fitted with a 3 chrome barrel saddles config with bolts and springs of sufficient length to intonate properly, so pretty much a straigh swap.
I think Leo got it right straight out of the box. Two bits of wood screwed together, strings and a little electronic. Seventy years later it hasn't changed. Cheers Paul be lucky
Done deliberately on Tele and Strat fror tonal balance because the closer the pickups are to the bridge, the brighter and more treble saturated the sound becomes. Slanting the treble strings' (high e, b, g) pickup magnets progressively further away from the saddles than the wound d, a, low E positively impacts tonal balance. Particularly understandable on the Tele given characteristic Tele twang, as it certainly doesn't really need that bridge pickup to be any brighter.
