I was setting up this bass for a friend. When I start to adjust the intonation, I noticed that the bridge saddles didn't have screws to move them forward or backward. I check the sides of the saddle and notice 2 hex screws. So I loosen all the strings, remove the hex screws and the saddles come out. I couldn't find any specs on where the distance the saddle should be from the rear of the bridge, so I guesstimate. After some tweaking, I got the intonation right, so I replace the 2 hex screws and Everything seems okay. Has anyone encountered a bridge like this?