3" Spindle Extenders are made from a high quality steel and when installed on your lathe moves your chuck or face plate 3" farther away from your head-stock allowing more work room on the back side of your work-piece and comes with a 3/8" thru hole allowing the use of a vacuum chuck. Each Spindle Extender has a hole for our 2" spanner wrench, available separately, and flats for an adjustable wrench. Select our 2" Spanner Wrench #2SW shown below. 3" PRECISION STEEL SPINDLE EXTENDERS with Thru Hole For Vacuum Chucking Applications SX3-XXSpindle_Size: 3/4"-16TPI1"-8TPI1"-12TPI1-1/4"-8TPI1-1/2"-8TPI33x3.5mm 2" SPANNER WRENCH The perfect tool for allowing easy removal of your Texas Spur Drive Center, Spindle Adapter, or Spindle Extender. Item #: 2SW 2" SPANNER WRENCH 2SW ©2002 Best Wood Tools All rights reserved. Please send questions and comments regarding this site to BestWoodTools Webmaster. Questions and comments regarding our products or orders should be sent to BestWoodTools Sales