Blocks

62 companies | 1649 products
Single block / with friction / with becket / max. rope ø 8 mm

MXEvo – DIA 8 mm – Captive pin – for max rope size 10 mm MXEvo...

Single block / with friction / with integrated becket / max. rope ø 6 mm

MXEvo – DIA 6 mm – Captive pin – for max rope size 8 mm...

Single block / with friction / hollow-shaft / with integrated becket

MXEvo – DIA 8 mm – Captive pin – for max rope size 10 mm...

Single block / with friction / with integrated becket / hollow-shaft

MXEvo – DIA 10 mm – Captive pin – for max rope size 14...

Double block / plain bearing / with swivel / with shackle

Lewmar synchro block are engineered for speed, efficiency and...

Triple block / plain bearing / with swivel / with shackle

Lewmar synchro block are engineered for speed, efficiency and...

Single block / plain bearing / with swivel / with becket

Lewmar synchro block are engineered for speed, efficiency and...

Double block / plain bearing / with swivel / with shackle

Lewmar synchro block are engineered for speed, efficiency and...

Double block / roller bearing / lashing / max. rope ø 6 mm

LIGHTER PURCHASE SYSTEMS Enjoy the...

Triple block / roller bearing / lashing / max. rope ø 6 mm

LIGHTER PURCHASE SYSTEMS Enjoy the...

Single block / plain bearing / lashing / max. rope ø 8 mm

KBO lashing blocks have the best size...

Double block / roller bearing / lashing / max. rope ø 8 mm

LIGHTER PURCHASE SYSTEMS Enjoy the...

Single block / high-resistance / with fork / for sailboats

They may look similar to some of our competitors...

Single block / ball bearing / lashing / max. rope ø 6 mm

20mm Dynamic Block Ezi-Tii They may look...

Single block / ball bearing / with fixed head / max. rope ø 6 mm

They may look similar to some of our competitors...

Single block / ball bearing / with fork / max. rope ø 6 mm

They may look similar to some of our competitors...

Plain bearing / with fork / for classic sailboats

Classic Blocks Combining the traditional cabinet-making skills of the Jura...

Double block / plain bearing / with fork / for classic sailboats

Classic Blocks Combining the traditional cabinet-making skills of the Jura...

Triple block / plain bearing / with fixed head / for classic sailboats

Combining the traditional cabinet-making skills of the Jura Mountain region...

Single block / vertical / with fork / max. rope ø 14 mm

FEATURES Class leading performance...

Cheek block / cam cleat / with fork / max. rope ø 10 mm

This jammer block is for situations...

Single block / cheek / cam cleat / max. rope ø 12 mm

This jammer block is for situations...

Single block / plain bearing / with swivel / for sailboats

New by Antal the One Piece Frame block,...

Single block / ball bearing / with swivel / for sailboats

New by Antal the One Piece Frame block,...

Single block / plain bearing / with swivel / for sailboats

New by Antal the One Piece Frame block,...

Single block / plain bearing / with swivel / for sailboats

New by Antal the One Piece Frame block,...

How to choose this product

block

A block comprises a sheave, or wheel held between two cheeks and a fitting to attach the unit to a fixed point. Its use multiplies mechanical advantage and reduces wear on the lines that run through it.

Applications

Blocks are used to make up block and tackle to increase purchase, as well as for halyard, sheet and other leads. Thus, they are typically found on sailboats, but may be used on any type of boat or ship, even if only for hoisting a flag or for davit operation.

Technologies

Block sheaves can be single, double, triple or even more. Most are of aluminum, stainless steel or titanium, though wood is often used on traditional sailboats. Cable blocks usually have a metal sheave. In friction blocks, the sheave is in direct contact with the axle, while other types have ball bearings or rollers.

Ratchet blocks have internal springs and a toothed mechanism to keep tension on the line between two pulls. They are most common in dinghy sailing. Block anchoring is via a shackle, a swivel or snap shackle, a fork or another system, which will depend on the rotational or torsional freedom of movement required.

How to choose

Roller models are probably the most efficient, combining the friction reduction of ball bearings and the superior sturdiness of the roller. Each block's rated operational and breaking load must be respected, as well as the maximum line diameter it can handle.

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