Dial in accurate torque with a 12-piece box end torque adapter extension set that keeps the load off fastener corners, adds access in confined spaces, and makes torque adjustment calculations straightforward.

Key Features

• Unskipped metric set — 12 pieces in 3/8" drive sizes from 8mm to 19mm

• Consistent measurement — Exactly 2" center-to-center (center of square drive to center of adapter opening)

• Strong bite on problem fasteners — Patented biting teeth grip rounded, stripped, and thin bolts without slipping

• Reduces rounding risk — Design keeps load off fastener corners under high torque

• Confined-space access — Thin profile wall thickness provides strength while reaching difficult fasteners

• Robust steel and finish — CR-V 6140 steel with black oxide finish for enhanced corrosion resistance

What's in the Box

• 12-piece 3/8" drive box end torque adapter extension set (8mm–19mm)

• Reusable EVA foam storage

Warranty: Full Lifetime Warranty.

Model: MP001232

Free shipping is available on orders over $80, excluding bulky items such as tool cabinets and jacks. Returns are accepted within 30 days of receiving your order for eligible items purchased directly from gomichaelpro.com. Products must be unused, in pristine condition, and returned in their original packaging. Return's can be made by contacting our support team at info@gomichaelpro.com. Requests require your Order ID and order confirmation, and customers are responsible for return shipping costs.

MichaelPro products are backed by warranty coverage against defects in materials or workmanship, with coverage length varying by product category. Many hand tools include lifetime warranty coverage, while select storage, power tool, and garage organization products may include limited warranties ranging from 1 year to 10 years. Proof of purchase is required for warranty claims. See our warranty page for more information