Lattice – Heavy Roller – Wrist & Forearm Strength Trainer

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.

Belgium
• €6 to a service point (Bpost or DPD), €6.50 at home
• Free shipping from €60
• Delivery: 1–2 business days

Netherlands, Germany, France, Luxembourg
• €9 (home or DPD service point)
• Free shipping from €60
• Delivery: 2–3 business days

Zone A — Austria, Croatia, Czech Republic, Denmark, Estonia, Finland, Ireland, Italy, Poland, Portugal, Spain (mainland)
• €12
• Free shipping from €150
• Delivery: 3–6 business days

Zone B — Latvia, Romania, Slovenia, Sweden
• €15
• Free shipping from €150
• Delivery: 3–6 business days

Zone C — Greece, Hungary, Slovakia
• €18
• Free shipping from €150
• Delivery: 4–7 business days

Zone D — Bulgaria, Lithuania
• €20
• Free shipping from €150
• Delivery: 4–7 business days

Rest of Europe
• Norway: €25, free from €150
• Serbia: €25
• Switzerland: €35
• Cyprus: €40 (€35 from €150)
• Malta: €40
• North Macedonia, Albania, Kosovo, Montenegro: €40
• Balearic Islands: €50

United Kingdom 🇬🇧
• Orders below £150 / €150 are not accepted (UK VAT rules)
• Free shipping from €150
• Delivery: 3–7 business days
• Import duties/taxes may apply on arrival

United States 🇺🇸
• €50 flat rate, DDP: all import fees and tariffs included (heavy shipments €150)
• Delivery: 4–7 business days

Rest of world 🌍
• Canada €35, China €40, most other countries €40–€60
• Your exact rate is shown at checkout. Not listed? Contact us for a quote.