Practically unbreakable and splinter-proof bi-metal blade with precision ground teeth for all types of metal machining. Back of the blade made from durable but flexible spring steel and Tooth edge made from high-alloy super-HSS steel. This sheet guarantees a considerably longer lifetime and longer tooth sharpness than the conventional hand-saw blades. The sandflex ® Hand-saw blade combines extremely high cutting properties and resistance with a high degree of flexibility and is in comparison to other hardened or flexible hand saw blades from considerably higher quality. Packaging:-100: 10 containers each with 10 sheets in a black plastic box with transparent cover-10P:10 blades in self-service packaging-5P: 5 sheets in self-service packaging-3P:3 blades, each 1 x 18, 24 and 32 teeth per inch in plastic bag, VE = 10 Pieces-2P: 2 sheets on SB-Card, VE = 10 Pieces. 3818-300-PROG, have a progresiv toot hung from 18-28 TPI.This text is machine translated.