Product Details The Chikamasa TP-500 series have soft coil springs to reduce stress and fatigue on hands as well as a soft cushion that reduces shock. All scissors are equipped with a stainless steel rivet that reduces resistance and has a rounded blade to avoid damaging products. Scissors TP-500 SR and TP-500 SRF have curved blades for precise cutting and scissors TP-500 SF and TP-500 SRF have high quality sap-resisting fluorine coating to prevent sticky substances from sticking.