Certification: CE, RoHSIs smart device: NoModel Number: 420J2Power Source: Dog Clipper Replacement BladeCharging Time: NoneBrand Name: OwnLifeYFOOrigin: ChinaType: DogsItem Type: Dog Hair TrimmerMetal blade clippers: Metal blade clippers for dogsProfessional detachable blade for animals: for Andis, for Conair, for LaubeA5 clippers: for Oster, for WahlProfessional pet clipper bladeHigh quality carbon steel, sharp and durable, easy to useSuitable for cat, dog, pet and so on.Compatible with LAUBE, Oster, Andis, Conair, Wahl, heineger, bematech and Thrive detachable clippers!NOTE: 10# Moving blade is ceramic. The latest products are ceramic blades and steel moving blades. We ship the goods randomly.Some Oster machines (model: 5-50C) and Moser machines cannot use 3F 4F 5F 7F.Reason: Moving blade is steel (product cannot be used)Solution: Replace the moving blade with ceramic. (Provide unavailable videos, we will give you some new ceramic moving blades)ModelSize10#1.6 mm9#2 mm30#0.5 mm40#0.25 mm50#0.2 mm3F13 mm4F9.5 mm5F6.3 mm7F3.2 mmHow to choose?We know it's confusing to choose the right size blade for your needs.The higher the blade number, the shorter and finer it cuts.For example, size 10 will leave inches of hair which is good for styling short hair and general use. Size 7 will leave inches of hair, which is recommended for use on matted fur.A5 snap-on blades fit most other detachable clippers on the market such as Andi AGC AGC2, Wahl KM2/KM5/KM10, Oster A5/A6 and etc. However, we highly recommend that you double check the specification of your clipper before making the purchase.You can check the comparison table of our different products shown below.Thor ; Wahl KM2, KM5, KM10 ; Andis AG, AGC, BDC, BG, DBLC, FHC, MBG, SMC ; Oster A6, Golden A5, Turbo A5, Power Max, PowerPro Ultra