Roller Attachment Link Attachment Number SK-1 Attachment Type Tab Material Steel Chain Overall Width 0.878 in Chain Number 50 Roller Diameter 25/64 in Finish Nickel Plated 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 SAE 10 to SAE 50 Maximum Operating Temperature 302 Degrees F Minimum Operating Temperature 14 Degrees F Number of Tab Holes 1 Pin Contruction Riveted Pin