Maximize control and efficiency on your rig with our performance-driven collection of sailing blocks. Engineered to handle high loads and dynamic movement, these essential components provide smooth line handling, minimal friction, and superior durability—perfect for cruising, racing, or offshore sailing.
Choose from a wide range of single, double, triple, fiddle, snatch, and ratchet blocks, along with swivel, cheek, and soft-attach options. Made with marine-grade stainless steel, aluminum, and high-strength composites, our blocks are designed to perform in the toughest marine environments.
Shop now for premium sailing blocks that give you the mechanical advantage you need for easier trimming, faster adjustments, and confident control in every condition.
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Vendor:Harken
Harken 40mm Carbo Block Single w/Swivel Bracket [2637]
Regular price $43.95 USDRegular price$49.80 USD-$5.85 USD Sale price $43.95 USD -
Vendor:Harken
Harken 40mm Carbo Air Double Swivel Block [2638]
Regular price $84.95 USDRegular price$96.90 USD-$11.95 USD Sale price $84.95 USD -
Vendor:Harken
Harken 16mm Double Block [406]
Regular price $36.95 USDRegular price$41.30 USD-$4.35 USD Sale price $36.95 USD -
Vendor:Harken
Harken 16mm Block [404]
Regular price $17.95 USDRegular price$19.85 USD-$1.90 USD Sale price $17.95 USD -
Vendor:Harken
Harken 25mm Wire Block w/Shackle [300]
Regular price $46.95 USDRegular price$53.05 USD-$6.10 USD Sale price $46.95 USD -
Vendor:Harken
Harken 22mm Double Micro Block w/Becket [227]
Regular price $39.95 USDRegular price$45.15 USD-$5.20 USD Sale price $39.95 USD -
Vendor:Ronstan
Ronstan Wire Block - Tubular Rivet Head w/Removable Nylatron Sheave - 45mm (1-3/4") Sheave Diameter [RF103]
Regular price $48.37 USDRegular price$56.91 USD-$8.54 USD Sale price $48.37 USD -
Vendor:Ronstan
Ronstan Wire Block - Tubular Rivet Head w/Nylatron Sheave - 25mm (1") Sheave Diameter [RF418]
Regular price $25.84 USDRegular price$30.40 USD-$4.56 USD Sale price $25.84 USD -
Vendor:Ronstan
Ronstan Series 40 All Purpose Block - Single Cheek [RF41811]
Regular price $87.38 USDRegular price$102.80 USD-$15.42 USD Sale price $87.38 USD -
Vendor:Ronstan
Ronstan Series 40 All Purpose Block - Single Upright Lead [RF41171]
Regular price $48.72 USDRegular price$57.32 USD-$8.60 USD Sale price $48.72 USD -
Vendor:Lewmar
Lewmar 72mm Synchro Block - Single [29927201BK]
Regular price $53.95 USDRegular price$78.95 USD-$25.00 USD Sale price $53.95 USD -
Vendor:Barton Marine
Barton Marine Size 0 20mm Plain Bearing Pulley Block Cheek [N00160]
Regular price $9.11 USDRegular price$10.34 USD-$1.23 USD Sale price $9.11 USD -
Vendor:Barton Marine
Barton Marine Size 2 Single Cheek Block [N02160]
Regular price $19.63 USDRegular price$23.42 USD-$3.79 USD Sale price $19.63 USD -
Vendor:Barton Marine
Barton Marine Single Fixed Eye [N00110]
Regular price $7.96 USDRegular price$9.03 USD-$1.07 USD Sale price $7.96 USD -
Vendor:Barton Marine
Barton Size 3 45mm Plain Bearing Pulley Block Double Upright Block [N03250]
Regular price $38.95 USDRegular price$46.29 USD-$7.34 USD Sale price $38.95 USD -
Vendor:Barton Marine
Barton Size 3 45mm Plain Bearing Pulley Block Stanchion Lead Block [N03190]
Regular price $28.95 USDRegular price$34.03 USD-$5.08 USD Sale price $28.95 USD