**The BasicFrame/Safty Zone size is accroding to Tokyopop OGN Bible, which all TP oringal Creators are using. The width is 4.25 inches, is a bit smaller than RSOM size (4.5 inches.) It had been confirm that 4.25 inches can be use as RSOM entry too. But of course you can change the Basic Frame width to 4.5 inches also. **
