2-piece aluminum coupler converts 4-hole winding cones to 8-hole for safe single-person garage door torsion spring adjustment, ideal for narrow overhead space and various spring repair jobs.
Key Features
Improved Safety: Avoid injuries from short bars and door panel disassembly during spring tuning
Labor Saving: Complete spring adjustment alone to cut labor time and costs
Multi-scene Use: Fits low-headroom doors, broken cone replacement, door weighing and cable-off rewinding
Clear Turn Markers: Alternating slots for easy counting of 1/4 rotation turns
Wide Size Fit: Works with 1-3/4" to 2" universal winding cones
Stable Mounting: Secures tightly to standard cones with two fasteners
Specifications
Design: 2-piece coupling structure
Hole Conversion: 90° 4-hole to 45° 8-hole
Matching Tool: 18-inch standard winding bars
Best For: Garage door technicians and wholesale suppliers
What's Included
📦 1 × 2-piece coupler body
📦 2 × fixing fasteners
Safe, fast one-person garage door spring maintenance solution ✨🛠