Choosing the right double flaring tool can cut repair time and improve flare reliability on brake lines and copper or nickel tubing. The following picks cover compact on-vehicle work, versatile adapter sets, and professional-grade sets that perform well on 3/16″ and 1/4″ tubing. Each tool is evaluated for ease of use, compatibility with common materials, and the ability to create clean 45-degree SAE flares in tight spaces. This guide highlights five strong options to consider for DIY projects and shop use alike.
| Product | Brand | Tube Sizes | Notable Feature |
|---|---|---|---|
| Capri Tools 3/16 in. Double Flaring Tool | Capri Tools | 3/16 in. | Compact, portable with on/off-vehicle capability |
| Titan 51535 3/16-Inch Double Flaring Tool | Titan | 3/16 in. | Includes punch, lubricant, and on-vehicle use |
| Capri Tools 1/4 in. Double Flaring Tool | Capri Tools | 1/4 in. | Same compact design for 1/4 in. tubing |
| ARES 18019 Double Flaring Tool Set | ARES | 3/16″ – 1/2″ adapters | Extra adapters, cutter, and storage case |
| Wostore Double Flaring Tool Kit | Wostore | 3/16″ – 5/8″ adapters | Comprehensive kit with case |
Capri Tools 3/16 in. Double Flaring Tool (CP21110-316)
Capri Tools offers a compact, portable double flaring tool designed for quick, high-quality 45-degree SAE double flares on 3/16-inch tubing. It performs well with non-stainless steel, nickel, and copper tubing and is suitable for off-vehicle use and on-vehicle work in tight spaces. The tool’s streamlined design helps reduce the time needed to complete a flare, which is particularly valuable in confined engine bays or under dashboards. For brake line tasks, its portability allows on-site repairs without lugging a bulky setup.
Titan 51535 3/16-Inch Double Flaring Tool
The Titan 51535 is a well-rounded option for 3/16-inch tubing, including steel and nickel-copper. It comes as a complete kit with a removable handle, positioning bolt, double-ended punch, lubricant, and a portable container. The tool aims to deliver a precise inverted 45-degree SAE double flare and is noted for being usable on a vehicle in tight spaces—enhancing its value for in situ brake line repairs. Users should avoid stainless steel, as advised in the accompanying documentation.
Capri Tools 1/4 in. Double Flaring Tool
This Capri Tools 1/4″ double flaring tool mirrors the brand’s 3/16″ design, delivering a compact, portable solution tailored to 1/4-inch tubing. It supports non-stainless steel, nickel, and copper materials and is designed to allow perfect double flares both off the vehicle and in tight spaces. The shared design language with Capri’s 3/16″ model makes it a familiar choice for technicians who routinely work with two common tube diameters.
ARES 18019 Double Flaring Tool Set
ARES 18019 is a versatile double flaring tool kit with multiple adapters for 3/16″ and 3/8″ sizes, plus 5/16″ and 1/2″ options. The set includes a mini tubing cutter and a storage case, making it suitable for field service and workshop setups. The forged yoke and chrome-plated swivel aim to minimize friction and ensure durability through repeated use. It’s a solid choice for copper, aluminum, brass, and soft steel brake line tubing, though stainless steel materials are not recommended with this kit.
Wostore Double Flaring Tool Kit Copper Line Tube Cutter
Wostore offers a comprehensive double flaring tool kit designed for copper, aluminum, brass, and soft steel brake line tubing. The kit includes a wide range of adapters (3/16″ to 5/8″) and flaring tools, plus a deburring tool and a mini tubing cutter. The heavy-duty plastic carrying case helps keep components organized in a shop or truck, making this an appealing option for those who require a broad size range and a ready-to-go setup for multiple projects.
Capri Tools 3/16 in. Double Flaring Tool Kit for Brake Lines
Capri Tools also offers a 3/16″ SAE double flaring tool kit that ships with its core 3/16″ flaring tool and a compact set designed for brake line work. The kit maintains Capri’s hallmark portability and ease of use, enabling quick, reliable flares in tight spots. It’s a practical pair for users who want a single, cohesive kit to handle most 3/16″ brake-line tasks on or off the vehicle.
Orion Motor Tech Hydraulic Flaring Tool Kit
Orion Motor Tech’s hydraulic flaring tool kit is built for precision across copper, brake, and transmission lines. It includes 45° inverted dies for 3/16″-1/2″ sizes, ISO dies for 4.75-10 mm, and several dies for 1/4″-3/8″ fuels and lines. A cutter and deburring tool help ensure clean edges and consistent flare results. This kit is suited for more demanding jobs where hydraulic pressure is advantageous and stainless lines are not required.
Lisle 33260 Flaring Tool
Lisle’s 33260 is crafted to flare both single and double flares on 3/16″ and 1/4″ tubing. It features a low-profile design that makes flaring possible in tight spaces and a vise assembly that holds tubing securely without marring. This tool is particularly popular for shop use where space is a premium, offering dependable results for common automotive tubing diameters.
Buying Guide: Key Purchase Considerations
- Tube material compatibility: Most kits handle copper, nickel-copper, and mild steel. Avoid stainless and hardened steels when a kit’s documentation advises against it.
- Diameter coverage: If you frequently work with both 3/16″ and 1/4″ lines, consider a kit that includes adapters for multiple sizes or a pair of dedicated tools for each diameter.
- On-vehicle usability: Models with compact designs and removable handles are beneficial for tight engine bays or brake lines on vehicles without disassembly.
- Durability and construction: Forged yokes, chrome-plated swivels, and quality dies reduce friction and improve longevity under repeated use.
- Accessories: A mini tubing cutter, deburring tools, and a storage case add value by keeping components organized for field service.
- Portability vs. completeness: Compact tools excel for on-site work, while more comprehensive sets are better for a dedicated workshop with a wider range of tubing sizes.
- Brand reliability and warranty: Reputable brands often provide better customer support and replacement parts, important for professional use.
When selecting a double flaring tool, align your choice with the most common tubing sizes you encounter, whether you frequently work on vehicles or prefer off-vehicle assembly, and whether you need a broader kit with multiple adapters. The five options above balance compact design, material compatibility, and versatility to cover typical brake-line and plumbing applications.