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:Ronstan
Ronstan Series 30 Ball Bearing Orbit Block - Stand Up Swivel [RF35140]
Regular price $30.69 USDRegular price$36.10 USD-$5.41 USD Sale price $30.69 USD -
Vendor:Ronstan
Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100]
Regular price $32.46 USDRegular price$38.19 USD-$5.73 USD Sale price $32.46 USD -
Vendor:Ronstan
Ronstan Series 55 Ratchet Orbit Block - Single - Swivel Head - Auto & Manual [RF56100]
Regular price $92.10 USDRegular price$108.35 USD-$16.25 USD Sale price $92.10 USD -
Vendor:Ronstan
Ronstan Series 30 Block - Single - Loop Top [RF280]
Regular price $12.14 USDRegular price$14.28 USD-$2.14 USD Sale price $12.14 USD -
Vendor:Ronstan
Ronstan Series 40 AP Sheave - Acetal Solid Bearing - 40mm (1-9/16")OD [RF41000]
Regular price $8.25 USDRegular price$9.71 USD-$1.46 USD Sale price $8.25 USD -
Vendor:Ronstan
Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]
Regular price $16.91 USDRegular price$19.90 USD-$2.99 USD Sale price $16.91 USD -
Vendor:Ronstan
Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453]
Regular price $31.61 USDRegular price$37.19 USD-$5.58 USD Sale price $31.61 USD -
Vendor:Ronstan
Ronstan Series 40 All Purpose Block - Single - Stand Up [RF41140]
Regular price $35.41 USDRegular price$41.66 USD-$6.25 USD Sale price $35.41 USD -
Vendor:Ronstan
Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]
Regular price $22.42 USDRegular price$26.38 USD-$3.96 USD Sale price $22.42 USD -
Vendor:Ronstan
Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket [RF35312]
Regular price $56.67 USDRegular price$66.68 USD-$10.01 USD Sale price $56.67 USD -
Vendor:Ronstan
Ronstan Series 30 Ball Bearing Orbit Block - Triple [RF35302]
Regular price $54.31 USDRegular price$63.90 USD-$9.59 USD Sale price $54.31 USD -
Vendor:Ronstan
Ronstan Series 30 Ball Bearing Block - Single - Loop Top [RF30101]
Regular price $21.59 USDRegular price$25.40 USD-$3.81 USD Sale price $21.59 USD -
Vendor:Ronstan
Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]
Regular price $21.27 USDRegular price$25.02 USD-$3.75 USD Sale price $21.27 USD