Oster Size 40 Dog Grooming Clipper Blade, Detachable for Close Surgical Prep

The Oster Size 40 Detachable Clipper Blade is a replacement dog-grooming blade for close clipping and veterinary surgical preparation, compatible with Oster A6, Golden A5, Turbo A5, Power Max and PowerPro Ultra clippers.

• Size 40 ultra-fine cutting surface — made for close clipper work, including veterinary surgical preparation.
• Fits five Oster clipper models — choose a replacement blade for compatible A6, Golden A5, Turbo A5, Power Max or PowerPro Ultra clippers.
• Handcrafted high-carbon steel blade — made for precise, smooth clipping.
• Hardened to RC62–66 and cryogenically treated — a process intended to improve blade strength and longevity.
• Sharpened, finished and tested cutting surface — supports consistent cutting, while the detachable design allows blade changes.

When a grooming job calls for a close, controlled clip, the blade size and clipper fit matter. This Oster replacement is made for professional grooming settings and at-home grooming kits that use one of its compatible clippers. Its fine cutting surface is also intended for veterinary surgical preparation, where close clipper work is needed. The wide blade design supports an even clipping result, and the detachable format fits into workflows that involve changing blades between grooming tasks.

What is the Oster Size 40 blade designed to do?

It is designed for very close clipping on animals, including veterinary surgical preparation. The cutting surface is sharpened, finished and tested for ultra-sharp clipper work. Its wide design is intended to help produce an even, smooth result, and the product description identifies reduced skin irritation as a benefit of its close-cutting design.

• Use: close animal clipping and veterinary surgical preparation.
• Cutting design: ultra-fine surface with a wide blade profile.

Which Oster clippers is this replacement blade compatible with?

This detachable blade fits Oster A6, Golden A5, Turbo A5, Power Max and PowerPro Ultra clippers. Match your clipper model to this list before choosing the blade; compatibility is specified for these Oster models.

• Compatible models: A6 and Golden A5.
• Compatible models: Turbo A5, Power Max and PowerPro Ultra.

What materials and blade treatment does it use?

The blade is handcrafted from high-carbon steel and receives cryogenic treatment after hardening to RC62–66 on the Rockwell Scale. The manufacturer identifies this treatment as a way to improve strength and longevity. Careful sharpening and finishing prepare the cutting surface for precise clipping.

• Steel type: high-carbon steel.
• Hardness before cryogenic treatment: RC62–66 on the Rockwell Scale.

How does the detachable blade fit into grooming work?

The detachable format allows quick blade changes on compatible Oster clippers. That makes the blade suitable for groomers and pet owners who need a replacement option within an existing compatible clipper setup. The design is intended to support an efficient grooming workflow without requiring a different clipper model from the listed compatible range.

• Blade format: detachable replacement clipper blade.
• Made for professional grooming use and compatible at-home grooming kits.

This blade suits professional groomers, veterinary teams preparing animals for procedures and pet owners whose grooming kit includes a compatible Oster clipper. Its specific fit, close-cutting purpose and hardened high-carbon steel construction make it a replacement option for those needs; it is intended for the five compatible Oster clipper models named above.