These are 1/8" Nickel Plated Brass Dura-Collars.
FEATURES: Nickel plated brass construction.
INCLUDES: Four collars Four 4-40 x1/8" set screws One .050" allen wrench
REQUIRES: Installation.
SPECS: Length: .189" Diameter: 1/8" ID .281 OD tjt 040902 ir/kh
BOX DIMENSIONS: 2.25" W. X .25" H. X 2.25" L. BOX WEIGHT: .02 LBS.