The BlueSpot Ratchet Crimping Tool is manufactured from heavy duty hardened steel with durable plastic handles. The crimps are spring loaded and feature strong steel jaws and as a result give a high quality crimp each time. The three coloured dots on the jaws correspond to the correct terminal sizes as per the following sizes: red 0. 5 - 1 mm², blue 1. 5 - 2. 5 mm² and yellow 2. 6 - 6 mm². Manufactured from heavy duty hardened steel for increased durability Crimps: red 0. 5 - 1 mm², blue 1. 5 - 2. 5 mm² and yellow 2. 6 - 6 mm² Spring loaded for a reliable repeatable crimp Replaceable jaws Heavy duty plastic handles