T 121 AF Speed for Metal Jigsaw Blade delivers fast straight cuts in metal A back-taper body and thin kerf design provide unrivalled cutting speed Tooth geometry and combination of aggressive and robust teeth further increase cutting speeds Fits all T-shank jigsaws Tooth geometry and combination of aggressive and robust teeth further increase cutting speeds BIM, fully hardened HSS tooth strip and highly elastic HCS body make the blade breakproof Very fine tooth pitch (1.2 mm) cuts thin metal sheets with 1-3 mm thickness