Electronic Supply by Industrial Electronics in Milwaukee Wisconsin : Potter Brumfield, Radio Shack Stores in Milwaukee: 400 Heavy Duty Base 400 Heavy Duty Base ================================================================================ Staff on 31/10/2009 02:47:00 Accepts any 1" (25.4mm) diameter shaft. Recent engineering changes all the 400 base to hold up to 75lbs (34.0kg) at 45 degrees. For heavy duty projects requiring added holding power! Accepts any 1" (25.4mm) diameter shaft. Recent engineering changes all the 400 base to hold up to 75lbs (34.0kg) at 45 degrees. * Recent engineering improvements allow the 400 Base to support weights up to 75 lbs. (34.0kg) at 45° * Recommended for use with the 437 Heavy Duty Fixturing Head * Accepts any 1" (25.4mm) diameter shaft to a depth of 1.7" (43.2mm) * Single knob controls head movement through 3-planes: 90° Tilt, 360° Turn & 360° Rotation * Square base [4.125"x 4.125" (104.8mm x 104.8mm)] has four 0.3125" (7.9mm) mounting holes (mounting screws not included) * A hole is provided in the bottom of the base for a 1/4-20 flat head screw to permanently attach any shaft * Height: 3.25" (82.5mm), Weight: 1.5 lbs. (0.7kg)