Morris Products 50010 Mechanical Lug Crimpers, Cast Housing, 22" Length, 8 - 4/0 AWG AL, 8 - 250 MCM CU Manual mechanical crimper for use with a range of copper and aluminum terminals and splices Crimp size chart on side of tool for proper tool adjustment Dieless design with adjustable nest accommodates many conductor and connector sizes High strength steel nest and indentor for durability Rubber handle grips for user comfort