VersatilelFor AWG 8,6,4,2,1,1/0 battery cable lugs, compatiable with copper & aluminum cable lug,non-welding and standard electrical connection. One-hand AdjustableYou can turn the marked adjusting wheel directly to adjust. The dimensions are printed on the outside, the arrow pointed is the size of the jaw, which is clearer and more convenient. Clear Dimension PrintedIt will bring embossing AWG value to the cable lugs after crimping for a visual checking. Facilitates the selection of the correct parts for later repairs. Comfortable OperationComfortable grip with antislip surface saves strength and improves user's experience for easy handling and control Assortment Includes10 Types 50PCS of AWG 2 4 6 8 10/12 copper lugs, 40 PCS 3:1 heat shrink tubing for your work which satisfy your different needs.