Garhauer Provides 10 year guarantee on all their products Garhauer Provides 10 year guarantee on all their products Garhauer Provides 10 year guarantee on all their products Garhauer Provides 10 year guarantee on all their products Garhauer Provides 10 year guarantee on all their products Prism Polish Cleans - Polishes - Protects
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Quality Gear with a Great Service

Why Choose Garhauer?

  • Garhauer blocks have a proven design and are constructed with high quality materials and have been building up a world-wide reputation for the last 30 years.
  • Garhauer is now the standard equipment for many boats, including the Catalina Yacht boat builders!
  • All Garhauer branded equipment comes with an unconditional 10 year Guarantee. No IFs, No BUTs.
Garhauer's unconditional 10 year guarantee

How to choose the Right Blocks

We want to ensure that you get the right blocks for your needs. To that end we have created a guide to help you choose the right series and the block with the right working load for your needs: For a quick reference however you can use this chart:
Series 15 20 25 27 30 40 50 60 70
Max Line Size
5/16"
8mm
5/16"
8mm
3/8"
10mm
3/8"
10mm
1/2"
12mm
1/2"
12mm
5/8"
16mm
5/8"
16mm
3/4"
19mm
Sheave Diameter
1"
25mm
1-3/4"
44mm
2"
50mm
2-1/4"
57mm
2-1/2"
63mm
2-1/2"
63mm
3"
76mm
3-1/4"
82mm
4-1/4"
108mm
Safe Working Load
400lb
182kg
600lb
272kg
1150lb
520kg
2000lb
907kg
2400lb
1088kg
2800lb
1270kg
3000lb
1360kg
3500lb
1590kg
5000lb
2267kg
Series 15 20 25 27 30
Max Line Size
5/16"
8mm
5/16"
8mm
3/8"
10mm
3/8"
10mm
1/2"
12mm
Sheave Diameter
1"
25mm
1-3/4"
44mm
2"
50mm
2-1/4"
57mm
2-1/2"
63mm
Safe Working Load
400lb
182kg
600lb
272kg
1150lb
520kg
2000lb
907kg
2400lb
1088kg
Series 40 50 60 70
Max Line Size
1/2"
12mm
5/8"
16mm
5/8"
16mm
3/4"
19mm
Sheave Diameter
2-1/2"
63mm
3"
76mm
3-1/4"
82mm
4-1/4"
108mm
Safe Working Load
2800lb
1270kg
3000lb
1360kg
3500lb
1590kg
5000lb
2267kg
Series 15 20
Max Line Size
5/16"
8mm
5/16"
8mm
Sheave Diameter
1"
25mm
1-3/4"
44mm
Safe Working Load
400lb
182kg
600lb
272kg
Series 25 27
Max Line Size
3/8"
10mm
3/8"
10mm
Sheave Diameter
2"
50mm
2-1/4"
57mm
Safe Working Load
1150lb
520kg
2000lb
907kg
Series 30 40
Max Line Size
1/2"
12mm
1/2"
12mm
Sheave Diameter
2-1/2"
63mm
2-1/2"
63mm
Safe Working Load
2400lb
1088kg
2800lb
1270kg
Series 50 60
Max Line Size
5/8"
16mm
5/8"
16mm
Sheave Diameter
3"
76mm
3-1/4"
82mm
Safe Working Load
3000lb
1360kg
3500lb
1590kg
Series 70
Max Line Size
3/4"
19mm
Sheave Diameter
4-1/4"
108mm
Safe Working Load
5000lb
2267kg

Types of Blocks


Stainless Steel Blocks

Designed for the true offshore sailor looking for the ultimate in rugged dependability, these blocks are constructed of 100% polished stainless steel cheeks and load straps making them an excelllent choice for installation at the masthead or other hard to service areas. These blocks improve the appearance of any boat.

Aluminium Alloy Blocks, Grey/Black Anodized Finish

Unique to the Garhauer line of sailboat hardware, these block combines Type 3 anodized aluminum cheeks with oversized 100% polished stainless steel load plates. This construction adds a handsome appearance to your boat and offers superior durability due the extra load plate reinforcement.

Unibody Blocks

The UNIBODY alloy series of yacht pulleys have Torlon ball bearings and alloy sheaves. They have been precision milled from a solid block of 6061 T-6 alloy for high strength to weight ratio. All mating surfaces are constructed with non-conductive Delrin (the longest wear engineering grade plastic). Available in single blocks, double blocks or triple blocks.
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