Fractional Feeler Gauge Set (804.U) - 26 thickness sizes in 1/10,000" (15-20-25-30-40-50-60-70-80-90-100-110-120-130-140-150-160-170-180-190-200-210-220-230-240-250). Tapered tips (blade length= 3 1/2", width = 15/32") . Made in Germany.