Coltene - Hygenic System - 9 Clamp Pak, Winged Metal with Gloss Finish, Contains SizesWinged design suitable for dam applications Comes in a convenient storage box Color coded for easy clamp selection Includes 9 clamps in different sizes The gloss finished, winged clamps are unique to Hygenic System 9 Rubber Dam Clamps. These innovative clamps are necessary for dam applications and come in a convenient storage box that includes a color coded clamp selection guide. Each Winged Kit includes # 1, # 2, # 4, # 7, # 8A, # 9, # 12A, # 13A,