Part Number: 132535ABBA (Pipe clamp blocks)Part Number: 132535ABBB (Pipe clamp blocks)Part Number: 132535CBD (Pipe clamp blocks)Part Number: 132535CDB (Pipe clamp blocks)Part Number: 132535CDBD (Pipe clamp blocks)Part Number: 132535CDD (Pipe clamp blocks)Part Number: DHS1754-30-4-4 (Pipe clamp blocks)