Name: Seldén S40 Double Block fixed ball bearing tie-on
Brand: Seldén
SKU: SELDEN-S-40-DB
Price: 57.85 EUR
Availability: InStock

The Seldén S40 double block with tie-on attachment is the largest block in the Seldén S-series and is designed for medium to heavy-duty applications on medium-sized sailing yachts. This double block features two acetal sheaves running on stainless steel ball bearings and is attached with a line or Dyneema loop. The S40 combines the low weight and attachment flexibility of the S-series with the higher load capacity needed for sheets and heavier trim lines on larger boats.

Weighing 93 grams with a safe working load of 250 kg, the S40 double block offers an excellent weight-to-capacity ratio. The breaking load of 500 kg guarantees a generous safety margin for the most demanding applications. The acetal sheaves are wear-resistant and provide an optimal running surface for lines from Ø6 to 10 mm, while the stainless steel ball bearings ensure minimal friction at any load. This makes the S40 double block particularly suitable for applications where smooth operation is essential, such as sheet systems and purchase arrangements.

The tie-on attachment is a distinctive advantage of the S-series: by attaching the block with a Dyneema loop you not only save weight, but also benefit from a vibration-dampening connection that distributes the load evenly. The S40 double block is a versatile solution for sailors who want to combine the advantages of a soft-attachment block with the additional purchase of a double block. Whether it is a trim line system, a mainsheet tackle or a halyard turning arrangement, this block delivers reliable performance under all conditions.