size:300*12.7*0.62mm Teeth: 14T,18T,24T,32T,14-32TPI,18-24TPI WEIGHT:18G Inner box:100pcs outer carton:1000pcs 1.size:300*12.7*0.62mm2.teeth:14T,18T,24T,32T,14-32TPI,18-24TPI3.weight:18g4.features:1)low,medium or high carbon steel material processed under high temperature 2)breakable,designed for cutting steel,copper,alumnious ,hard wood, hard plastic ,melamine materials