Chain Breaker / Chain Riveter Features —Used to rivet chain links —Can be used to form endless chains —Works as a chain breaker by pushing out the pins —Can break or join chain from #35 to #630 —Durable, reliable quality —Includes three (3) pin sizes to fit a variety of chains —Portable, comes with a sturdy carrying case Specifications —Case Dimensions : 8.5″x4.7″x2″ —Weight: 1.8 Lbs —Pins sizes: 2.2mm 2.9mm 3.8mm —Pin guides: 2.2mm Upper 2.2mm Lower and Riveter Pin —Anvil sizes: 3mm 6mm Items Included —thirteen 13 PCS chain breaker/riveter tool set —One (1) hard plastic case.