Oetiker® 300 Piece StepLess® Ear Clamp Assortment Kit

Stainless Steel Hose Clamps | No Pliers Included
Brought to you by Main ST Collective | Sold by Main Street Eshop

The Oetiker StepLess® Ear Clamp Assortment Kit is a professional-grade solution for securing hoses in automotive, industrial, marine, and fluid transfer applications. This 300-piece kit includes a range of the most commonly used clamp sizes, all housed in a convenient assortment case for easy organization.

Manufactured by Oetiker®, a global leader in precision clamping solutions, these clamps deliver 360° uniform sealing pressure for a secure, leak-free connection. This kit is curated by Main ST Collective, the hardware and parts brand of Main Street Eshop, ensuring you get trusted, professional-quality components for every job.

About the Brands

Oetiker® (Founded in 1942, Switzerland) is known worldwide for precision-engineered clamps used in OEM, automotive, industrial, and fluid system applications. Their StepLess® technology sets the industry standard for secure, uniform clamping.

Main ST Collective is the in-house hardware and parts brand of Main Street Eshop, focused on delivering high-quality, reliable components for automotive, racing, and industrial use.

Main Street Eshop is your trusted source for automotive parts, race hardware, and professional-grade tools—built for enthusiasts, mechanics, and builders.

What’s Included (300 Piece Kit)

✔ 50x 7.0 mm (1/4") Clamps – Part #16700001
✔ 50x 10.5 mm (13/32") Clamps – Part #16700006
✔ 50x 11.3 mm (7/16") Clamps – Part #16700007
✔ 50x 13.3 mm (1/2") Clamps – Part #16700010
✔ 50x 15.7 mm (5/8") Clamps – Part #16700016
✔ 50x 17.0 mm (11/16") Clamps – Part #16700017

📦 Total: 300 Stainless Steel Clamps
⚠️ Pliers/Pincers NOT included

Key Features

• Genuine Oetiker® stainless steel clamps (Material 1.4301 / UNS S30400)
• StepLess® 360° sealing design – no gaps or steps
• Narrow band design for concentrated sealing force
• Tongue-in-groove technology ensures consistent radial compression
• Mechanical interlock provides secure closure and durability
• Smooth edges reduce risk of hose damage
• Corrosion-resistant stainless steel construction
• Organized assortment case for easy storage and access

What is StepLess® Technology?

Oetiker’s StepLess® design eliminates overlaps and gaps on the inner circumference of the clamp, providing uniform 360° pressure around the hose. This results in a stronger seal, reduced leakage risk, and more consistent clamping compared to traditional worm gear clamps.

Ideal Applications

• Automotive fuel, coolant, and vacuum hoses
• Motorsports and racing applications
• Marine and saltwater environments
• Industrial fluid transfer systems
• Food processing and beverage systems
• Irrigation and agricultural equipment

Important Sizing Note

• Clamp sizes listed refer to the inner diameter (ID) in the open position
• To select the correct clamp:
  • Install hose onto fitting
  • Measure the outer diameter of the hose
  • Choose a clamp slightly above that measurement range

Buyer Notes

• This kit does NOT include clamp pliers/pincers
• Designed for permanent clamp installations
• Always verify sizing before installation
• Professional installation tools recommended

What You Receive

• One (1) Oetiker 300-Piece StepLess® Ear Clamp Assortment Kit
• Organized storage case included
• No pincers included

✔ OEM-quality clamping solution
✔ Trusted Oetiker performance
✔ Backed by Main ST Collective
✔ Shipped from Main Street Eshop

Your go-to solution for reliable hose connections - whether in the shop, at the track, or in the field.