Roller Attachment Link Attachment Number K-1 Attachment Type Tab Material Steel Chain Overall Width 0.878 in Chain Number 50 Roller Diameter 25/64 in Finish Black Oxide Pitch 5/8 in Link Type Roller Attachment Centerline to Attachment End 0.472 in Centerline to Hole Center 0.406 in Extended Pin Diameter 0.2 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