... : 60, F: 90, G: 90, H: 107.30, J: 93, K: 75, L: 95, M: 50, N: 63, Q: 135, R ... .25: height of toolholder25: width of the toolholderM: H:100mm, K: 125mm, M: 150mm, P:170mm, Q: 180mm, R: 200mm, S ... : 250mm, T: 300mm.12: length of cutting edge. OEM set recycled lathe tools with carbide indexable inserts