Barber Colman Horizontal hobber Model 6-10 A-frame style s/n will advise Machine Specifications are as follows: MAXIMUM WORK DIAMETER: 6" Maximum TRAVEL OF HOB CARRIAGE: 10-1/2" MAXIMUM DIST. SPINDLE FACE TO TAILSTOCK CENTER: 15-3/4" MAXIMUM DIAMETRAL PITCH, 1 CUT: 16 DP - 2" DIAMETER MAXIMUM DIAMETRAL PITCH,1 CUT: 48 DP - 6" DIAMETER MAXIMUM HOB DIAMETER: 2-1/16" HOB SPEED: 133 - 533 RPM WORK SPINDLE BORE: 1-1/32" WEIGHT OF MACHINE: 3,500 LBS. MACHINE IS EQUIPPED WITH: Single Thread Precision Worm Bayonet Center Manual hob shift Standard hob head  Change Gears 1 Hob Arbor 220/440 power  Machine can be inspected under power in good mechanical condition at our Statesville, NC. shop. visit www.pisellient.com for full quote Contact us for any further information you require.