About hydraulic scissors and bike locks?
Thieves usually use 12t because 16t's scissors don't carry easily. There are hydraulic scissors and locks between, not just tonnage problem, the most critical is the material, that is, the hardness of the lock rod, and hydraulic scissors head hardness.
For example, the thief has a knife head, a diamond cutter head scissors, and scissors body is the best alloy material, then what locks he can cut. This is the relationship between a spear and a shield. In fact, the most feasible way is, you go to buy a chain diameter greater than 20mm locks. The thief cannot cut it because the opening of the largest hydraulic scissors is only 20mm.