The Abus Buffo padlocks were discontinued several years ago and replaced by the Abus 23 series Discus padlocks. It is basically the same lock and the entry-level standard for Abus Discus locks. However, it still appears to be better than almost all other disc locks on the market, even if this is their cheapest version. The 23 series is available as keyed alike or key differ options and comes in a choice of two sizes. For those looking for a disc padlock similar in size to the old Buffo lock then the 70mm version of the 23 series is a great choice.
The dimensions of the Buffo padlock (Fig.1) can be compared against those of the 70mm version of the 23 series Discus (Fig.2) and they should be suitable replacement option.
Fig.1 Abus Buffo padlock dimensions
Fig. 2 Dimensions of Abus 23/70