Invisible Sponge BitSert

Home/Grinders, Wiz, Wizling and Wizard parts/Invisible Sponge BitSert

Invisible Sponge BitSert


The Invisible Sponge BitSert is a sponge-free cooling option when grinding with diamond bits for longer bit life and faster grinding. For use with the Wizard IV, WizCG, and WizlingCG grinders. Available in two diameters; 3/4″ and 1″.

SKU: N/A Categories: ,


  • Eliminates the need for a sponge when grinding
  • Design pulls coolant up from the reservoir to keep your diamond bits properly lubricated
  • Increases grinding speed
  • For use with all grits


  • Use the ¾” Invisible Sponge BitSert with ¾” (19mm) grinding heads. Compatible with Wizard IV, WizCG, and WizlingCG grinders (1997-current) as well as other Inland models including Wizard (1996-2002), Aero and Impulse (1994-current), PopTop Wizling and Wiz (1996-1997).
  • Use the 1″ Invisible Sponge BitSert with 1″ (25mm) grinding heads. Compatible with Wizard IV and WizCG (1997-current) as well as other Inland models including Wizard (1996-2002) and Impulse (1994-current).

Additional information

Weight N/A
Dimensions in

1" (25 mm), 3/4" (19 mm)