Hy-Gear 67-4 hose clamp.
Formed from corrosion-resistant 300 grade stainless steel.
The screw that tightens the band has a 5/16″" hex head.
1/2" wide band.
Suggested installation torque: 35 inch-pounds (4 Nm).
Meets Uniform Plumbing Code (UPC) standards; IAPMO listed.

Consists of a single unbroken band with rounded edges.
Cast from a corrosion-resistant stainless steel alloy.
Ideal for use in corrosive marine environments.
Especially suitable for small plastic and rubber hoses.

Non-perforated (embossed) hose clamp.
Designed for use with silicone rubber and other soft hoses.
All 316 stainless steel construction.
Salt water resistant, low magnetic permeability.
Appropriate for use in shipbuilding, near electronic circuitry, in defense technology or food processing, or in sewage treatment connections.
Installation torque: 44 in-lbs (5.0 Nm) for most applications.

316 stainless steel.
Rated for 1000 PSI.

Available in various diameters; please select carefully.

Ideally suited for extreme clamping situations.
For high-durometer, multi-wire suction or high pressure hose.
Built entirely from AISI 316 stainless steel.
Features a heavy formed bridge under the bolt.
May be used in high-temperature applications.
Has a mechanical band interlock instead of spot welds.

Bronze.
Non-rising stem.
Rated for 200 psi operating pressure.
Threaded ends, FNPT.

Forged brass body. 
Blowout-proof stem. 
PTFE seats with double O-ring stem seals.