Benchmade 3551 Stimulus Auto

Pardue-Designed Automatic with Proven 154CM Steel

The Benchmade 3551 Stimulus Auto brings Les Pardue's refined design to the automatic knife category. This push-button folder combines a 2.99-inch spear-point blade with black anodized aluminum construction for reliable everyday carry and tactical applications.

Key Features

• 154CM Blade Steel: Premium stainless steel hardened to 58-61 HRC for edge retention and corrosion resistance
• Push Button Automatic: Fast one-handed deployment with enlarged button for improved access
• Reversible Pocket Clip: Standard clip adjusts for tip-up or tip-down carry preference
• Spear-Point Geometry: Balanced blade shape handles piercing and slicing tasks
• Lightweight Construction: Black anodized aluminum handles keep weight to 2.71 ounces
• Lanyard Ready: Integrated lanyard hole for retention options

Specifications

Frequently Asked Questions

What makes the 154CM steel a good choice for automatic knives?

154CM is a premium stainless steel that balances edge retention with corrosion resistance. At 58-61 HRC hardness, it holds a sharp edge through regular use while remaining easy to sharpen when needed.

Can I carry this knife tip-down in my pocket?

Yes. The standard pocket clip is reversible and can be configured for either tip-up or tip-down carry based on your preference.

Is this knife legal to carry in my state?

Automatic knife laws vary by state and locality. Check your local and state regulations before carrying any automatic opening knife.

Does this knife come with a sheath or case?

No, the 3551 Stimulus Auto does not include a sheath. It is designed for pocket carry with the included reversible pocket clip.

Who designed this knife?

The 3551 Stimulus Auto was designed by Les Pardue, known for his tactical and everyday carry knife designs.