MasterManufacturing Co.
Casters, glides, doorstops, and floor protection — engineered for the safe, adaptable, everyday demands of K-12 schools, campuses, and districts.
A 4th-generation, family-owned American manufacturer based in Cleveland, Ohio.
Products made in America — and replacement casters for 99% of the office chairs on the market.
A certified Women’s Business Enterprise and National Minority Business Council member.
Supports GSA requisitions — built for schools, districts, and public institutions.
A full line of problem-solving products that keep a school’s furniture, floors, and doors moving — quietly and safely.
Hard wheels belong on carpet. Soft wheels belong on hard floors — wood, tile, linoleum. Most people assume the reverse.
The fingernail test: press a fingernail into the wheel. If it gives even slightly, it’s soft. A hard wheel has no resilience — you can’t tell just by looking.
We empower educators and institutions with the tools to create safe, adaptable, and engaging learning environments — from the classroom floor to the library door.
American-made doorstops that actually stay put — from the everyday classroom stop to the magnetic Giant Foot® for doors that need to stay open.
The heavy-duty stop for big, heavy doors.
For doors with up to 2" clearance — the answer when yours keep disappearing.
The everyday classroom and office doorstop.
Color-coded stops to match any space.
Tired of doorstops walking off? The magnetic Giant Foot® stays with the door — and the Big Foot® holds firm on carpet or hard floor.