The M-159-RT is a straight soft replaceable tip 445" long tweezer with a tip size of 012" x 018" These miniature straight soft replaceable tip tweezers have very high rigidity, excellent tensile and flexural strength, fatigue and creep resisistance, and temperature resistant to 249°F Carbofib™ is a polymer based material with 30% carbon fibers added (conductive 10² ohms/sq) The bodies are made of anti-magnetic Neverust® stainless steel (AISI 316L) They are excellent for handling delicate items