Chain Number | 
                                                                        N/A US1242 | 
                                                                                Alternate Part Number | 
                                                                        N/A RO4 | 
                                                                                Sidebar Style | 
                                                                        N/A 1 | 
                                                                                Pitch | 
                                                                        N/A 4.063 in | 
                                                                                Weight per Pitch | 
                                                                        N/A 5.4 lb | 
                                                                                Maximum Continuous Strand Length Available | 
                                                                        N/A 197 Pitches | 
                                                                                Inside Width - A | 
                                                                        N/A 1.94 in | 
                                                                                Roller Diameter - B | 
                                                                        N/A 1.75 in | 
                                                                                Pin Diameter - C | 
                                                                        N/A 0.88 in | 
                                                                                Sidebar Height - D | 
                                                                        N/A 2.25 in | 
                                                                                Sidebar Thickness - E | 
                                                                        N/A 0.5 in | 
                                                                                Pin Head to CL - F | 
                                                                        N/A 2.25 in | 
                                                                                Pin End to CL -G | 
                                                                        N/A 2.56 in | 
                                                                                Overall Width - H | 
                                                                        N/A 4.81 in | 
                                                                                Average Ultimate Strength | 
                                                                        N/A 158000 lb | 
                                                                                Max Working Load | 
                                                                        N/A 9000 lb |