Heat treated steel "circlip" pliers, feature replaceable tips. Includes 16" internal snap ring plier (3-1/16" - 6-1/4", 78mm - 159mm), 16" external snap ring plier (3-1/2" - 6-1/2", 89mm - 165mm), extra sets of 0.12" (3mm) straight, 45? and 90? tips.