Skip to content
Shop Your Local Store ● Ship to Your Hometown Store
Pro & Contractor Accounts ● Apply for Net Terms
100,000+ Products ● Trusted Authentic Brands

Stanley 1/4 and 3/8 in. drive Metric/SAE Mechanic's Tool Set 145 pc

One boxed set covers metric and SAE, 1/4 and 3/8 drive, so you're rarely digging for a missing size.
Stanley MPN STMT71653 In Stock & Ready to Ship
$99.99
Free shipping on orders over $75
Ships within 24 hours · most orders arrive in about 2 business days

About Product Overview

A 145-piece mechanic's tool set covers most jobs without leaving you short a size. Stanley built this one in chrome vanadium alloy steel with a polished chrome finish, so sockets and drive tools hold up to regular use and clean up easy after a greasy afternoon under the hood or behind an appliance. Having both 1/4 and 3/8 drive sizes in the same case means you're covered on smaller fasteners and the bigger ones without switching kits.

It comes boxed for storage and travel, making it a solid pick for a home garage, a truck toolbox, or a first full set for someone just getting into DIY repair. With metric and SAE sizes together, you won't be guessing which set you need before you start a job.

  • 145-piece mechanic's tool set
  • Chrome vanadium alloy steel construction
  • Metric and SAE sizes included
  • 1/4 and 3/8 drive sizes
  • Polished chrome finish
  • Boxed packaging for storage and portability

The Details Specifications

Brand Stanley
Model / MPN STMT71653
UPC 076174716535
Weight 12 lbs
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

Go ahead. Check.

You're going to price-check us against Amazon, Home Depot, and Lowe's. Everybody does. Good — open all three tabs. We'll wait. Then look hard at what you're actually being handed over there.

On Amazon, start with these four questions before you click buy.

01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Stanley. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

The big boxes don't care if your hardware store survives.

Amazon, Home Depot, and Lowe's are built to pull every hardware dollar out of your town. When the local shop can't keep the lights on, the counter where somebody actually knew which part you needed goes with it. We're built the other way: real brands so you're never stuck on a marketplace, and a straight answer to buy it down the street when that's the better call. Support independent hardware — it doesn't restock itself.

Why we tell you to shop local
Authorized dealer · Stanley

Or skip the tabs entirely and buy it down the street. Find a store near you →

Shop Local · Support Independent

Every order helps keep your local hardware store on the corner.

Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare