EXTRA FINE SILICA – A fun, engaging and highly addictive pocket sized exerciser designed to maintain the health, strength and conditioning of the hands & fingers for all ages; each Skrunch!® is 300grams of extra fine micro-base silica crystal wrapped securely inside two layers of durable latex to ensure a supremely comfortable yet engaging “squeeze” each time you use it.

HAND THERAPY – Similar to physio putty, a cleaner more efficient way to exercise dexterity, can be squeezed, stretched, twisted or pinched to exercise muscles in the hand.

INEXPENSIVE REHAB – Strengthening opposing muscles maintains a delicate muscular balance which improves one’s dexterity and coordination. Easily transport the Skrunch for on the go, desk or home use.

We aim to dispatch all orders Monday to Friday (except public and national holidays) within 24 hours.

Please read our full shipping terms and conditions here. 

 The above shipping times have been calculated based on previous deliveries, are approximate and should not be taken as a guarantee of delivery within a specified time-frame. 

International shipments may be subject to import taxes and/or customs fees. These fees may be applied to some packages by customs agents when a package reaches its destination country. The decision to apply duty to a shipment and the rate charged is at the discretion of the customs agent and is completely outside of the control of RPM Sports. All customs and related charges are the responsibility of the recipient.

The RPM Power® Skrunch comes with a 1 year guarantee.

The guarantee period commences when the item has been delivered to the purchaser or user.

What is covered during the guarantee period?

✔ Malfunction defects that are a direct result of a manufacturing issue(s)

✔ Spare parts free of charge provided the purchaser can provide sufficient, timely evidence of missing/defective parts

✔ Products purchased directly through the RPM Power® website

RPM Power® reserves the right to determine what constitutes manufacturing defects as well as wear and tear.

A guarantee does not cover products for commercial use and is non-transferable to a third party.

For full terms and conditions of RPM Power® warranty and guarantee information please see here.