Coltene Fiesta Rubber Dam Clamp Wingless Premolar Standard #2 EachEach clamp is individually color coded for unmistakable identity. Experienced and novice associates will appreciate this time saving identification method when using Fiesta Color Coded Clamps. Packing: Each Product Features Specifications Usage Instruction Wingless clamps are positioned intra orally first and then the dam is stretched over the clamp and tooth. Our wingless clamps are designated with a W for easy identification.