Features and Benefits:�Low-profile metal clips utilized to keep the spring-band clamp held in the open position, freeing up hands and pliers for the next spring-band clamp. Three sizes: 3.81mm (.15”), 8.89mm (.35”) & 11.43mm (.45”). Linked onto key ring for easy storage.Low-profile metal clips utilized to keep the spring-band clamp held in the open position, freeing up hands and pliers for the next spring-band clamp. Three sizes: 3.81mm (.15”), 8.89mm (.35”) & 11.43mm (.45”). Linked onto key ring for easy storage.