370PCS 15 Sizes Single Ear Hose Clamps, 304 Stainless Steel

The Hydencamm 370-Piece Single Ear Hose Clamp Kit provides a complete hardware assortment designed to secure fluid lines, plumbing, and mechanical tubing. Designed as a permanent alternative to standard worm-gear clamps, this kit gives DIYers and technicians a clean, low-profile fastener solution for both indoor and outdoor projects.

Each clamp is manufactured from 304 stainless steel, offering strong resistance against salt, rust, corrosion, water, and oil. The mechanical construction features a 360-degree stepless inner ring, meaning there are no internal gaps or steps to cause uneven pressure points. Coupled with a narrow band profile, the clamps deliver concentrated sealing force around the hose while polished edges prevent accidental cuts to your hands or the rubber line.

To make installation straightforward, the kit includes a pair of setting pliers made from chrome-vanadium steel. The tool is equipped with molded rubber grips for comfortable handling during repetitive crimping. Everything comes housed in a multi-compartment plastic case, keeping the 15 distinct sizes sorted and ready to grab without digging through loose hardware.

Because these are single-ear crimp fasteners, they cannot be adjusted or loosened with a screwdriver like traditional screw-type clamps. Once installed, removing them requires cutting or breaking the clamp, making them single-use items. Additionally, the sizing caps out at 33.1mm, so larger diameter piping will require separate hardware.

Verdict: This set is an excellent match for mechanics, boat owners, and homeowners needing a reliable, rust-resistant clamping solution across a broad size spectrum. With the crimping tool included alongside 370 durable clamps, it provides everything needed for clean, permanent hose connections right out of the box.

• Total Piece Count: 370 pieces
• Size Count: 15 distinct sizes
• Clamping Range: 5.3mm to 33.1mm
• Clamp Material: 304 Stainless Steel
• Pliers Material: Chrome-vanadium steel with molded rubber grips
• Storage: Multi-compartment plastic case

A great fit if you:

• Need a large variety of rust-resistant clamps for automotive, marine, or household plumbing projects.
• Prefer a smooth, stepless clamp design that will not cut into soft hoses or leave bulky screw heads.
• Want an all-in-one set that includes the dedicated crimping pliers and a dedicated storage box.

Consider something else if you:

• Need reusable clamps that can be repeatedly loosened and tightened with a standard screwdriver.
• Require large-diameter clamps exceeding 33.1mm.

What sizes are included in this assortment?
The kit includes 370 clamps divided across 15 sizes, spanning a diameter range from 5.3mm up to 33.1mm.

What tool do I need to install these clamps?
The kit comes with dedicated installation pliers made of chrome-vanadium steel with molded rubber grips, so no separate crimper purchase is required.

Can these clamps be used outdoors or in wet environments?
Yes. The clamps are constructed from 304 stainless steel, making them waterproof, oilproof, salt resistant, and anti-rust for both indoor and outdoor use.

What types of applications are these clamps suitable for?
They can be used across plumbing systems, fuel lines, cables, pipes, and hoses in automotive, industrial, marine, machinery, and general household applications.