The PolarWave 18 mm lightweight sailing block is engineered for sailors who want maximum performance in the smallest possible format. At just 6.4 grams, this block delivers remarkable strength, smooth rotation, and long-lasting durability while remaining extremely compact.

The reinforced single-piece fibre construction provides outstanding strength, and the stainless steel bearing and rivet ensure smooth spinning through a precisely crafted plastic swivel. Designed to withstand demanding marine environments, this block is the perfect match for high-performance dinghies and rigging applications where every gram matters.

Key Features

• Sheave diameter: 18 mm

• Length: 28.5 mm

• Weight: 6.4 g

• Maximum line diameter: 5 mm

• Maximum working load: 190 kg

• Breaking load: 500 kg

• Single-piece fibre body for maximum durability

• Stainless steel bearing and rivet for smooth rotation

• Plastic swivel for precise movement

• Extremely lightweight and compact

• Available in six vibrant colours

• Made in Slovenia by PolarWave

Why Choose PolarWave

Driven by a passion for sailing, PolarWave designs advanced performance hardware using modern production techniques, including CNC machining and high-precision fibre construction. Their lightweight blocks combine low weight, high load capacity, and reliability, making them a preferred choice for sailors aiming for speed, efficiency, and victory.