This is a listing for a Thomson Ball Bushing Linear Bearing.
Model: A81420

Specifications:
Brand: Thomson
Type: Ball Bearing Linear Bearing
Condition: New
Length: 31.75 mm (1.250 in)
Inner Diameter: 12.70mm (0.500 in)
Outer Diameter: 22.23 mm (0.875 in)
Weight: 2oz

The item is exactly as pictured.