3/8" Drive Rear Disc Brake Caliper Piston Wind-Back Cube Tool

📋 Specifications

• Drive Interface: 3/8-Inch Square Drive Receiver (For Ratchet & Extension Bar)

• Overall Dimensions: 33.2 × 25.4 mm (1.31 × 1 in)

• Material: Forged Heavy-Duty Carbon Steel

• Color / Finish: Silver Corrosion-Resistant Plating

• Function: Wind-Back Rotation & Retraction of Rear Brake Caliper Pistons

• Vehicle Compatibility: Universal (Fits Most Domestic & Import Vehicles with 4-Wheel Disc Brakes)

🔧 Key Features

• Multi-Pin Universal Cube Design: Each side of the 6-sided cube features distinct pin patterns to fit varying rear brake caliper piston slots across different vehicle manufacturers.

• 3/8" Ratchet Integration: Center socket accepts standard 3/8" square drive ratchets and extensions, allowing efficient leverage to rotate and retract stubborn pistons simultaneously.

• Essential for Parking Brake Service: Retracts internal screw-type parking brake mechanisms on rear disc calipers when installing fresh, thick brake pads.

• High-Strength Carbon Steel: Drop-forged carbon steel construction resists rounding and shearing under heavy hand torque.

• Compact Low-Profile Footprint: Compact design fits easily inside tight wheel wells and brake assembly clearances.

🏠 Ideal Applications

• Retracting Threaded Pistons on Rear Disc Brake Calipers During Brake Pad Replacement

• Servicing Mechanical Parking Brake Integrated Calipers

• Automotive Maintenance & Brake System Overhauls

📦 Package Includes

• 1 × 3/8" Drive Rear Disc Brake Caliper Piston Wind-Back Cube Tool

⚠️ Important Usage Notes

 

1. Apply steady forward pressure on the ratchet while turning to ensure the cube pins stay seated securely in the piston slots.

2. Clean rust and debris from the caliper piston face before engaging the tool, and remove the brake fluid reservoir cap to allow smooth fluid displacement back into the system.