Why shop Mr. Pen?
- Small American Family Business
- Founded by Teachers in Louisiana
- We love our customers
Our story
Having firsthand experience teaching in at-risk schools in different parts of the United States, seeing the daily struggles of students and teachers, we, a few business-minded teachers, founded Mr. Pen with a simple purpose: serving the schools in our community by providing them with high quality and affordable school supplies and tools to help them in their efforts.
Top Selling Products
What are the sizes of the adapters and reducers?
Reducers: 1/2" Drive (F) to 3/8" Drive (M), 3/8" Drive (F) to 1/4" Drive (M)
Adapters: 3/8" Drive (F) to 1/2" Drive (M), 1/4" Drive (F) to 3/8" Drive (M)
Can they be used with conventional socket sets?
Yes, you can use them provided that the socket size is compatible with the sizes stated.
Bates Products
 Socket Adapter and Reducer Set |  11-in-1 Screwdriver/Nut Driver |  Bolt Cutter |
|---|---|---|
Quantity 4 | Quantity 1 | Quantity 1 |
Quality Drop-Forged & Heat-Treated Chrome Vanadium Steel | Quality T8A steel | Quality T8A steel |
Why shop Mr. Pen?
- Small American Family Business
- Founded by Teachers in Louisiana
- We love our customers
Our story
Having firsthand experience teaching in at-risk schools in different parts of the United States, seeing the daily struggles of students and teachers, we, a few business-minded teachers, founded Mr. Pen with a simple purpose: serving the schools in our community by providing them with high quality and affordable school supplies and tools to help them in their efforts.
Top Selling Products
What are the sizes of the adapters and reducers?
Reducers: 1/2" Drive (F) to 3/8" Drive (M), 3/8" Drive (F) to 1/4" Drive (M)
Adapters: 3/8" Drive (F) to 1/2" Drive (M), 1/4" Drive (F) to 3/8" Drive (M)
Can they be used with conventional socket sets?
Yes, you can use them provided that the socket size is compatible with the sizes stated.
