GEDORE KB 2137 slagmoersleutel-vergrotingsstuk 1 inch naar 1 1/2 inch (6657890)

Precision-machined from Gedore Vanadium Steel 31CrV3 and chrome-plated for high corrosion resistance, this drive enlargement adapter converts a 3/4" square drive to a 1" square drive in seconds. The polished head and DIN 3123 / ISO 3316 compliance ensure a secure, wobble-free connection for manual socket operations.

Overview

The GEDORE KB 2137 is a professional-grade drive enlargement adapter engineered for workshops that demand reliable torque transfer between different drive sizes. Its 60 mm overall length keeps the profile compact, while the 0.56 kg net weight reflects the solid steel construction. The adapter's square drive profile on both ends guarantees a positive engagement with sockets and ratchets, minimizing the risk of rounding under load.

What stands out

• Converts 3/4" input drive to 1" output drive, expanding tool compatibility.
• Made from Gedore Vanadium Steel 31CrV3 for high strength and durability.
• Chrome-plated, polished surface provides excellent corrosion resistance and easy cleaning.
• Complies with DIN 3123 and ISO 3316 standards for dimensional accuracy and safety.
• Compact 60 mm length fits into tight spaces without sacrificing leverage.
• Manufactured in Germany under strict quality control.

Technical details

• Adapter type: Drive enlargement adapter
• Input drive size: 3/4 inch (19.05 mm)
• Output drive size: 1 inch (25.4 mm)
• Drive profile: Square drive
• Material: Gedore Vanadium Steel 31CrV3
• Surface treatment: Chrome-plated
• Head finish: Polished
• Standard compliance: DIN 3123, ISO 3316
• Overall length: 60 mm
• Net weight: 0.56 kg
• Application: Manual socket operations
• Corrosion resistance: High
• Tool category: Socket accessory
• Drive system compatibility: Hand tools
• Product series: KB 2137
• Manufacturing country: Germany

Our verdict

The GEDORE KB 2137 drive enlargement adapter is a robust, precision-engineered tool that bridges 3/4" and 1" drive systems with confidence. Its chrome-plated vanadium steel construction and compliance with international standards make it a reliable addition to any professional workshop.