This is the boom pivot pin for a Vulcan 880/890 Series by Miller Industries. See Brochures for a reference chart and features for related parts. Related Parts:Outer Boom (12-0807474)5/64″ Pivot Pin Shim (12-0719519)1/8″ Pivot Pin Shim (12-0719520)Product Dimensions: 27.75″L x 4″W x 2.5″HOutside Diameter: 1.5″