Roller Attachment Link Attachment Number A-1 Attachment Type Tab Material Steel Chain Overall Width 1.398 in Chain Number 80 Roller Diameter 5/8 in Finish Black Oxide Pitch 1 in Link Type Roller Attachment Centerline to Attachment End 0.758 in Centerline to Hole Center 0.64 in Extended Pin Diameter 0.312 in Lubrication Self Lube Maximum Operating Temperature 302 Degrees F Minimum Operating Temperature 14 Degrees F Number of Tab Holes 1 Pin Contruction Riveted Pin