There is no difference in the two you posted except color, I used that brand when I initially borrowed a friends tool.
I since bought my own but was mistaken on the price, here is the deal I had gotten at the time:
VEVOR 71500 Hydraulic Hose Ferrule Crimper 5/16"-5/8" A/C Hose Crimping Tools
⭐⭐⭐⭐⭐✅ 8 Ton Pump✅7 Jaws ✅1-1/4" Hose Cutter✅
ganfeii1_4
ganfeii1_4
(46618)
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US $96.39
Jim Lusk I know of no sealer used on these hoses to make the crimp.
Ron