Rouz Astro Telescope Riser / Spacer Blocks - 40mm with 65mm M6 Bolts (Set of 2)

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Rouz Astro 40 mm Riser Blocks For Telescope Mounting - Set of 2
Elevate your observatory gear with these 40 mm Rouz Astro carbon fiber telescope riser blocks, engineered solutions to adjust your scope’s mounting height precisely. Supplied with M6 bolts and crafted for rock-solid alignment, these spacers offer dependable performance without compromising on stability!
Benefits
- Versatile Connection: Can use bolts up to M6 (6 mm) or 1/4 - 20, and slotted to accomodate a range of spacing needs
- Durable: Will not discolor with age like anodized, or chip like paint
- Lightweight: Crafted from carbon fiber making it less than half the weight of traditional metal ones
- Damage Control: Will not scratch dovetails or tube rings
- Versatile Height: Comes in 15 mm, and 25 mm blocks
- Weight Tested: Blocks were tested with over 200 lb (90.7 kg) of weight on them with no detectable flex
Spacer Blocks For Telescope Mounting
These Rouz Astro Riser Spacer Blocks are designed to raise your telescope tube rings, helping prevent interference from focusers or accessories that may otherwise contact the dovetail. Ideal for fine-tuning your setup, they provide a simple way to improve clearance and balance without adding unnecessary weight. Compatible with Rouz Astro Tube Rings and other brands such as Primaluce Lab (with matching spacing), these precision-machined spacers ensure a secure and stable fit.
Please note: Custom-sized spacers do not include bolts, please use your own hardware.
Specifications
- Bolt spacing is 20 mm to 60 mm – M6 or 1/4-20 (or smaller)
- Carbon Fiber composite material – FDM Print
- Central mounting hole
- 40mm: 75 g (3 oz) per riser
- Sold as a pair (2x spacers)
Other Information
- Country of Manufacture: Canada
Rouz Astro 40 mm Riser Blocks For Telescope Mounting - Set of 2
Elevate your observatory gear with these 40 mm Rouz Astro carbon fiber telescope riser blocks, engineered solutions to adjust your scope’s mounting height precisely. Supplied with M6 bolts and crafted for rock-solid alignment, these spacers offer dependable performance without compromising on stability!
Benefits
- Versatile Connection: Can use bolts up to M6 (6 mm) or 1/4 - 20, and slotted to accomodate a range of spacing needs
- Durable: Will not discolor with age like anodized, or chip like paint
- Lightweight: Crafted from carbon fiber making it less than half the weight of traditional metal ones
- Damage Control: Will not scratch dovetails or tube rings
- Versatile Height: Comes in 15 mm, and 25 mm blocks
- Weight Tested: Blocks were tested with over 200 lb (90.7 kg) of weight on them with no detectable flex
Spacer Blocks For Telescope Mounting
These Rouz Astro Riser Spacer Blocks are designed to raise your telescope tube rings, helping prevent interference from focusers or accessories that may otherwise contact the dovetail. Ideal for fine-tuning your setup, they provide a simple way to improve clearance and balance without adding unnecessary weight. Compatible with Rouz Astro Tube Rings and other brands such as Primaluce Lab (with matching spacing), these precision-machined spacers ensure a secure and stable fit.
Please note: Custom-sized spacers do not include bolts, please use your own hardware.
Specifications
- Bolt spacing is 20 mm to 60 mm – M6 or 1/4-20 (or smaller)
- Carbon Fiber composite material – FDM Print
- Central mounting hole
- 40mm: 75 g (3 oz) per riser
- Sold as a pair (2x spacers)
- 2x 40 mm Telescope Riser Blocks
Rouz Astro 40 mm Riser Blocks For Telescope Mounting - Set of 2
Elevate your observatory gear with these 40 mm Rouz Astro carbon fiber telescope riser blocks, engineered solutions to adjust your scope’s mounting height precisely. Supplied with M6 bolts and crafted for rock-solid alignment, these spacers offer dependable performance without compromising on stability!
Benefits
- Versatile Connection: Can use bolts up to M6 (6 mm) or 1/4 - 20, and slotted to accomodate a range of spacing needs
- Durable: Will not discolor with age like anodized, or chip like paint
- Lightweight: Crafted from carbon fiber making it less than half the weight of traditional metal ones
- Damage Control: Will not scratch dovetails or tube rings
- Versatile Height: Comes in 15 mm, and 25 mm blocks
- Weight Tested: Blocks were tested with over 200 lb (90.7 kg) of weight on them with no detectable flex
Spacer Blocks For Telescope Mounting
These Rouz Astro Riser Spacer Blocks are designed to raise your telescope tube rings, helping prevent interference from focusers or accessories that may otherwise contact the dovetail. Ideal for fine-tuning your setup, they provide a simple way to improve clearance and balance without adding unnecessary weight. Compatible with Rouz Astro Tube Rings and other brands such as Primaluce Lab (with matching spacing), these precision-machined spacers ensure a secure and stable fit.
Please note: Custom-sized spacers do not include bolts, please use your own hardware.
Specifications
- Bolt spacing is 20 mm to 60 mm – M6 or 1/4-20 (or smaller)
- Carbon Fiber composite material – FDM Print
- Central mounting hole
- 40mm: 75 g (3 oz) per riser
- Sold as a pair (2x spacers)
Other Information
- Country of Manufacture: Canada
- 2x 40 mm Telescope Riser Blocks

Rouz Astro Telescope Riser / Spacer Blocks - 40mm with 65mm M6 Bolts (Set of 2)
