Aluminum Spoked Caster Brakes:Yes The treads are non-marking black

The treads are non-marking black Polyethylene

Plate: 2 3/8" square

Available in Brown or White

It measures 14" long with a 10 1/2" extraction and fastens with four #8 flat head screws (not included)

1 3/8" projection

Aluminum Spoked Caster Brakes:Yes The treads are non-marking blackAluminum Spoked Casters are sporty and have a modern, spoked wheel face. The treads are non marking black Polyethylene. A set of four can bear a load of 400 lbs. This item comes with a stylish Satin Chrome finish. Available with or without toe action brake. Sold individually. Part # OD Width Height Load Set of 4 Type Plate CAX3BRSC 3" 3 8" 3 13 16" 400 lbs Brake 2 3 8" sq CAX3SC 3" 3 8" 3 13 16" 400 lbs Non Brake 2 3 8" sq