The perfect selection if you have to cut different materials and material thicknesses: 4x T144DP 4x T101B 3x T121BF 3x T345XF 1x T367XHM Specifications: Set contents: T 144 DP Precision for Wood; T 101 B Clean for Wood; T 101 B Clean for Wood; T 345 XF Progressor for Wood and Metal; T 345 XF Progressor for Wood and Metal