Lattice – Heavy Roller – Wrist & Forearm Strength Trainer
Only 5 left
The Lattice Heavy Roller is a rotating grip tool designed to develop pinch-based grip strength and anti-rotation control.
It is suited for climbers who want to train pinch engagement under unstable loading.
What this solves
Some grip tools are fully stable, allowing the hand to lock in position. This reduces the need for active control and limits certain strength adaptations.
How this solves it
The offset load creates continuous rotation, forcing you to actively stabilize the tool. This stabilization is achieved primarily through thumb–finger opposition.
Why this tool
Despite being marketed as a sloper tool, the mechanics are different.
The rotation must be resisted, and that resistance is created through pinch force, not open-hand friction.
Best for
Intermediate / Advanced — for climbers who want to train pinch strength and anti-rotation control.
Key features
Offset loading creates rotational instability
Forces active grip stabilization
60 mm cylindrical grip
Anti-rotation strength development
Steel construction
Used with
Loading pin
Weights
Carabiner
What’s in the box
1× Heavy Roller
Dimensions
Grip diameter: 60 mm
Weight: 0.6 kg
Material: Powder-coated steel
Returns:
Customers cover return shipping costs unless the item is defective
Shipping:
Belgium
• €6 shipping
• Free shipping above €60
• Delivery: 1–2 business days
Neighboring countries (NL, DE, FR, LU)
• €9 shipping
• Free shipping above €60
• Delivery: 2–3 business days
Zone A (Spain, Italy, Austria, Denmark, Estonia)
• €12 shipping
• Free shipping above €150
• Delivery: 3–6 business days
Zone B (Ireland, Poland, Portugal, Sweden)
• €15 shipping
• Free shipping above €150
• Delivery: 3–6 business days
Zone C (Greece, Slovenia, Slovakia, Hungary)
• €18 shipping
• Free shipping above €150
• Delivery: 4–7 business days
Zone D (Lithuania, Latvia, Romania)
• €20 shipping
• Delivery: 4–7 business days
United States 🇺🇸
• €50 flat rate (DDP – all import fees / tarrifs included)
• Delivery: 4–7 business days
United Kingdom 🇬🇧
• Orders below £150 / €150 are not accepted (due to UK VAT regulations)
• Free shipping only for orders above €150
• Delivery: 3–7 business days
• Import duties/taxes may apply upon arrival
Other Balkan countries
• €40 shipping
• Delivery: 5–10 business days
Rest of world 🌍
• Contact us for a shipping quote
• Delivery time varies by country
Only 5 left
The Lattice Heavy Roller is a rotating grip tool designed to develop pinch-based grip strength and anti-rotation control.
It is suited for climbers who want to train pinch engagement under unstable loading.
What this solves
Some grip tools are fully stable, allowing the hand to lock in position. This reduces the need for active control and limits certain strength adaptations.
How this solves it
The offset load creates continuous rotation, forcing you to actively stabilize the tool. This stabilization is achieved primarily through thumb–finger opposition.
Why this tool
Despite being marketed as a sloper tool, the mechanics are different.
The rotation must be resisted, and that resistance is created through pinch force, not open-hand friction.
Best for
Intermediate / Advanced — for climbers who want to train pinch strength and anti-rotation control.
Key features
Offset loading creates rotational instability
Forces active grip stabilization
60 mm cylindrical grip
Anti-rotation strength development
Steel construction
Used with
Loading pin
Weights
Carabiner
What’s in the box
1× Heavy Roller
Dimensions
Grip diameter: 60 mm
Weight: 0.6 kg
Material: Powder-coated steel
Returns:
Customers cover return shipping costs unless the item is defective
Shipping:
Belgium
• €6 shipping
• Free shipping above €60
• Delivery: 1–2 business days
Neighboring countries (NL, DE, FR, LU)
• €9 shipping
• Free shipping above €60
• Delivery: 2–3 business days
Zone A (Spain, Italy, Austria, Denmark, Estonia)
• €12 shipping
• Free shipping above €150
• Delivery: 3–6 business days
Zone B (Ireland, Poland, Portugal, Sweden)
• €15 shipping
• Free shipping above €150
• Delivery: 3–6 business days
Zone C (Greece, Slovenia, Slovakia, Hungary)
• €18 shipping
• Free shipping above €150
• Delivery: 4–7 business days
Zone D (Lithuania, Latvia, Romania)
• €20 shipping
• Delivery: 4–7 business days
United States 🇺🇸
• €50 flat rate (DDP – all import fees / tarrifs included)
• Delivery: 4–7 business days
United Kingdom 🇬🇧
• Orders below £150 / €150 are not accepted (due to UK VAT regulations)
• Free shipping only for orders above €150
• Delivery: 3–7 business days
• Import duties/taxes may apply upon arrival
Other Balkan countries
• €40 shipping
• Delivery: 5–10 business days
Rest of world 🌍
• Contact us for a shipping quote
• Delivery time varies by country