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.