Chain Number | 
                                                                        N/A 520RX | 
                                                                                Sidebar Style | 
                                                                        N/A 1 | 
                                                                                Pitch | 
                                                                        N/A 2.563 in | 
                                                                                Weight per Pitch | 
                                                                        N/A 1.0 lb | 
                                                                                Maximum Continuous Strand Length Available | 
                                                                        N/A 564 Pitches | 
                                                                                Inside Width - A | 
                                                                        N/A 1.06 in | 
                                                                                Roller Diameter - B | 
                                                                        N/A 1.13 in | 
                                                                                Pin Diameter - C | 
                                                                        N/A 0.50 in | 
                                                                                Sidebar Height - D | 
                                                                        N/A 1.25 in | 
                                                                                Sidebar Thickness - E | 
                                                                        N/A 0.25 in | 
                                                                                Pin Head to CL - F | 
                                                                        N/A 1.22 in | 
                                                                                Pin End to CL -G | 
                                                                        N/A 1.44 in | 
                                                                                Overall Width - H | 
                                                                        N/A 2.66 in | 
                                                                                Average Ultimate Strength | 
                                                                        N/A 31000 lb | 
                                                                                Max Working Load | 
                                                                        N/A 2700 lb |