FAQ - Schley® 15000 Splined Crowfoot Set

13-Piece Metric Splined Flare Nut Socket Set

The Better Way to Service Hydraulic, Fuel, Brake & Power Steering Lines

The Schley 15000 Splined Crowfoot Set was engineered to eliminate one of the most frustrating jobs technicians face—working on hard-to-reach line fittings. Traditional open-end crowfoot wrenches flex under load, slip off fittings, and often round expensive flare nuts.

The patented Schley design incorporates a blind stop and shouldered socket that allows the technician to push directly on the fitting while simultaneously turning the nut by hand. This unique design helps start threads more easily, increases tool strength, and reduces flex compared to conventional crowfoot wrenches. The 12-point spline drive grips multiple contact points, helping reduce damage to stubborn fittings. (Schley Products Inc. - SP Tools)

Why Professionals Choose the 15000

✔ Starts Threads Easier

The exclusive shouldered design lets the technician apply forward pressure while turning the fitting, making it easier to start flare nuts in confined spaces.

✔ Stronger Than Traditional Crowfoot Wrenches

The patented blind-stop design reinforces the socket body, reducing flex common with standard open-end crowfoot wrenches. (Schley Products Inc. - SP Tools)

✔ Prevents Damaged Fittings

The 12-point spline design distributes load over multiple contact points, helping reduce rounding on stubborn hydraulic and flare nut fittings. (Schley Products Inc. - SP Tools)

✔ Built for Tight Spaces

Ideal where standard flare nut wrenches or sockets simply won't fit.

Perfect For

  • Power Steering Lines
  • Fuel Lines
  • Brake Lines
  • Hydraulic Lines
  • Transmission Cooler Lines
  • Mechanical Double-Flare Connections
  • Engine Bay Fluid Connections

Common Applications

Ideal for servicing:

  • Passenger Cars
  • Light Trucks
  • Heavy-Duty Trucks
  • Diesel Engines
  • Commercial Vehicles
  • Fleet Maintenance
  • Industrial Equipment

Kit Includes

13 Metric Sizes

  • 10mm
  • 11mm
  • 12mm
  • 13mm
  • 14mm
  • 15mm
  • 16mm
  • 17mm
  • 18mm
  • 19mm
  • 20mm
  • 21mm
  • 22mm

All sockets feature:

Key Benefits

✓ Starts difficult flare nuts easier

✓ Reduces fitting damage

✓ Stronger than conventional crowfoot wrenches

✓ Less flex under heavy torque

✓ Excellent access in confined engine compartments

✓ Professional-grade construction

✓ Patented U.S. Design

Why the Schley Design Is Different

Unlike traditional open-end crowfoot wrenches, the Schley 15000 incorporates a blind stop that serves two important functions:

  • It provides a positive stop to help align and start fittings.
  • It strengthens the wrench body, reducing flex during tightening and loosening operations.

This patented design helps technicians complete difficult line repairs faster while minimizing the risk of damaged flare nuts. (Schley Products Inc. - SP Tools)

Professional Applications

The Schley 15000 is an excellent choice for:

  • Brake System Service
  • Fuel System Repairs
  • Power Steering Repairs
  • Hydraulic Hose Replacement
  • Transmission Line Service
  • Diesel Engine Maintenance

Professional Grade • Patented Technology • Built for Daily Shop Use