Use of Plus V Class road chain makes it safer(safety rate of 5 times or more).Use of a chain with special surface treatment makes it strong against harsh conditions, enabling long life.Basic Working Load (t):4.4Chain Diameter (mm):16.0Effective Length l (m):2.5a:105d:29Master Link Dimension (mm) p:180a:67b:52m:31n:32p:185k:98Choke hook dimension(mm) g:64Steel