These are 1/16" Nickel Plated Brass Dura-Collars.
FEATURES:
Nickel plated brass construction
YOU WILL RECEIVE:
Four collars Four 4-40 x1/8" set screws One .050" allen wrench
REQUIREMENTS:
Installation required.
SPECIFICATIONS:
Length: .189" Diameter: 1/16" ID .219 OD tjt 040902 ir/kh &