Overall glide height: 2 inches overall glide height when installed, fits for most small chair casters; This stool office chair bell glides can convert office chair with casters into a stationary chair without losing the chair height.
Dimension of insert stem: the standard 7/16 x 7/8 inch (11 x 22 mm) grip ring mounting stem to attach to most standard chair or stool bases, Suitable size can meet your needs; Please measure your size before purchasing.
Bell glides size: these bell glides are 2 inch in bottom width and 2 inch overall glide height, similar to most small chair casters.
Practical : with solid PU structural glides , can handle more weight on most of desk chairs, workshop chairs or any other stools, etc., black top with gray bottom also can easy to match different chairs.
WILDLY USED: It can be used as the stationary castors on wood, metal and tubular metal chairs, furniture and other equipment to fixed them well.

Colour: black, gray
Material: PU, metal
Size: about 52mm

Package Contents:
5 * Fixed Stationary Castors