High-Strength Steel Spring

Smooth, powerful rebound with exceptional elasticity. Built for pressure resistance and lasting stability during intense workouts.

Reinforced Metal Core

Durable, multi-layered composite metal ensures strength and flexibility—won’t bend or deform even with heavy use.

Protective Leather Sheath

Wear-resistant and soft leather casing prevents injury, protects the spring, and ensures a safe, smooth exercise experience.

Ergonomic Foam Handle

Anti-slip, cushioned design for a comfortable grip. Helps release power effectively while protecting hands from strain.