Part # TGL 01:ip  One Tunnel Gate Logic gate chuck.  The shank will mount in any EDM holder that will clamp a 1"square body.  The end is machined to accept a 3R-461E Macro Jr. coin.  efficiently Approximate size:  1 X 1 X 3 1/4" Made from hardened tool steel Part # TGL 01C:   One Tunnel Gate Logic gate chuck.  Complete with a 3R Macro Jr coin, part # 3R-461E. Part # TGL 04: Utilize the full potential of your CNC EDM and tool changer. This is a set of 4 Tunnel Gate Logic gate chucks complete with a CNC style tool length offset probe in a plastic storage case. A 16% savings compared to individual purchases. $875.00 $925.00 $2,940.00 Gate chucks  are in stock and ready for immediate shipment   Several common sizes of tunnel gate electrodes are in stock.  We also keep 3/8 square blanks on had to grind up your custom angle and diameter request quickly and efficiently. Part # TGL 04C: Same set as TGL 04 above except each chuck is fitted with 3R-461E Macro Jr. coin show here: This is a set of 4 Tunnel Gate Logic gate chucks complete with a CNC style tool length offset probe in a plastic case and each mounted with a 3R Macro Jr. coin, part # 3R- 461E. $3,090.00 Part # TGL 10P: Tool length offset probe   (only required if more than one holder is to be used) Approximate size:  3/8 X 5/8 X 2" Made from hardened tool steel $60.00 All electrode blanks are made 3/8 square blanks, from fine grain graphite.  The cone is precision ground to make for consistent  EDMing of tunnel gate diameters.  Several standard sizes are in stock and ready for immediate shipment.  Custom sizes available upon request and are still priced at just $9.50 each. All electrodes are sold in a 25 piece minimum order $9.50 Welcome to edmchucks.com TGL products are manufactured and sold by Mier Tool Company.  See our Contact page for details. This web site is designed and maintained by Michael Montagna. UNDER CONSTRUCTION for now, call 315-253-3412 ext 222 to place your order