Protect and Grip Thimbles offer the perfect combination of soft, elastic material with the safety of a metal thimble cap. 50 to 80% lighter than a metal thimble (compared to our conventional product). Finger friendly soft rubber Fits gently on your finger without a tight feeling. Excellent breathability with its unique corrugated shape. Because only a small area touches your finger, this thimble does not make your finger sweaty.