High leverage, heavy-duty construction. Laser-hardened cutting edges provide longer life and greater ease of cut. Precision made of fine polished, high carbon drop-forged steel. Grips have a Santoprene core with TPR-rubber over mold which composites for durability, comfort, and secure grip. New Code Blue designation on handles makes it easier than ever to choose the right tool for the job 8" Diagonal plier, lap joint. Channel lock uses high carbon C1080 steel for superior performance on the job, and an electronic coating for ultimate rust prevention. Channel lock's knife and anvil ensure proper cutting edge alignment resulting in a clean cut every time! Also this is to ensure perfect mating and superior cutting edge life. The laser heat-treated cutting edges and teeth last 3 times longer! Not only made for durability but for comfort as well, with the blue and red grip handles.