3M™ Scotchlok™ TR-490 is a positive action ratchet tool that crimps the barrel and insulation grip on both insulated and non-insulated terminals and connectors independently. It has hardened steel jaws and handles with a corrosion-resistant finish that offers enhanced durability.
3M™ Scotchlok™ TR-490 Ratchet Tool effectively crimps nylon, vinyl-insulated, butted or brazed-seam terminals. This compound lever-type tool has a ratchet mechanism which provides positive closure of the handles for a full crimping cycle. It is plastic-gripped, and features a pawl release lever for the removal of misplaced terminals. UL Listed and CSA Certified.