IWISS Wire Terminal Crimping Tool 6-50mm&sup2; Cable Lug Crimper Cu/Al Terminal Ratchet Electrician Plier (AWG10-1/0) Built-in 6 dies:6,10,16,25,35,50 mm Easy operation: press to rotate the inside dies Has an anti-slip handle for a safe application for heavy crimping works used for non-welding and standard electrical connection Made of hardened steel,long life, accurate bore diameter and good crimpingeffect Hexagonal rotating dies processed with Wire EDM Cutting,more accurate than normal casting dies Made of high quality carbon steel ,durable and sturdy Comfortable grip with anti-slip surface saves strength and improves users experience ApplicationCopper&amp;Aliuminum Cable lug and Non-Welding&amp;Standard Electrical Connection