STEEL MASTER LINK; MAXIMUM WORKING LOAD: 17780 KG; LINK DIAMETER: 1-1 / 2 IN / 38 MM; INTERIOR WIDTH: 5-1 / 4 IN / 150 MM; INTERIOR LENGTH: 10-1 / 2 IN / 250 MM; THE INDICATED WORKING LOAD IS P / SAFETY COEFFICIENT 5, MUST COMPLY WITH THE ANSI / ASME B30.9C OR NACM OR ISO 1834 AND 3076 OF 1984 AND BS 4942 PART 1 AND 5 OF 1984 OR DIN 695 OF 1986 OR ASTM A- 957, THE APPROVED MANUFACTURER’S TEST CERTIFICATE MUST BE DELIVERED ALONG WITH THE MATERIAL; MANUFACTURER 1: CROSBY; N-PART 1: 1014365; MODEL 1: A-342; MANUFACTURER 2: CM – COLUMBUS MCKINNON; N-PART 2: 554943; MODEL 2: MASTER LINK; MANUFACTURER 3: GUNNEBO; N-PART 3: O-26-8