Proxxon 34104 Mill/ Drill Head PF 230, 1.38 X 15.75-Inches Precision proxxon engineering for top quality machinery 110 - 120V, 60Hz, 140W (0.1877hp), speeds 280 - 550 - 870 - 1,200 - 1,500 and 2,200rpm The lathe functions as a compound table, with X-Y travel being longitudinal and cross-wise respectively Three collets of sizes 15/64" - 5/16" and 25/64" (6, 8, 10mm) are included.