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12" Concrete Piers
Large GEM Mounts
12" Pier Top Plate Combo for Large GEM Mounts

Installation Diagram
International and Custom Orders
Call or eMail for shipping charges outside the Continental USA ...........................

35 Day Lead Time
35 Day Lead Time
35 Day Lead Time
Includes:
  ) 12" Diameter 1-1/2" Thick Pier Top Plate
  ) Unthreaded Center Insert
  ) 10" Diameter Large AP-GEM Adapter
  ) Stainless Steel Shoulder Bolts
  ) Stainless Steel Center Bolt

 
Compatibility:
  ) Losmandy GM-8/G-11 Mounts
*
  ) Astro-Physics Mach-1 Mount **
  ) Astro-Physics AP-900/1100 Mount ***
  ) Astro-Physics AP-1200/1600 Mount ****
  ) Takahashi NJP Mount
     
* Requires Losmandy MA adapter
    ** Requires AP ADATRI Tripod Adapter
  *** Requires AP 900FSA or 119 FSA Adapter
**** Requires AP 1200FSA or 1612FSA Adapter

12" Pier Top Plate + 10" AP-GEM Adapter
$
460.00 USD + $40.00 Shipping in the Continental USA ............................
12" Pier Top Plate + 10" AP-GEM Adapter + 12" Anchor Bolt Kit
$
516.00 USD + $55.00 Shipping in the Continental USA ............................
10" AP-GEM Adapter Kit
$
145.00 USD + $15.00 Shipping in the Continental USA ............................
>>
Related Products
3/4" x 12" L-Style Stainless Steel Anchor Bolt Kit
8" Pier Top Plate Combo for GEM Mounts
Ordering Information
12" Pier Top Plate Combo for GEM Mounts
Additional Images
This kit combines our standard 12" pier top plate with our 10" adapter for Large GEM (German Equatorial) mounts. The Large GEM adapter mounts to the 12" plate with shoulder bolts from underneath. The Large GEM  adapter supports multiple mounts (see compatibility list below). The 10" Large GEM Adapter kit may also be purchased separately.

This combination may also be purchased with our 3/4" stainless steel anchor bolt kit.