Harken 57/75 mm Flip-Flop BlocksHarken


Harken Flip Flop Blocks

Harken 57 mm and 75 mm Flip-Flop Blocks pivot around the line axis to keep line close to the deck. Hinged construction allows for various lead angles.

Lightweight, machined 6061-T6 aluminum cheeks pivot on fiber-reinforced plastic chocks. The sheave runs exclusively on a ball bearing system for fast trim and release under any load. Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for maximum protection.

The Ratchamatic versions roll freely in both directions under low loads and automatically engage a ratchet mechanism as loads increase, giving sailors a holding power of up to 15:1. The ratchet engagement can be adjusted to a higher or lower load depending on the sailor's strength, sailing style and system usage.

Reversible cam arms adjust and lock in a wide range of positions for crew accessibility and to accommodation of changing lead angles.
Currency:
HAR2142 - Harken 57 mm Small Boat Flip Flop Block
Code: HAR2142
Original Price: $173.90
Price: $153.00
(You Save: $20.90)
HAR2143 - Harken 57 mm Small Boat Flip Flop Block w/ Cam Cleat
Code: HAR2143
Original Price: $257.65
Price: $226.70
(You Save: $30.95)
HAR2144 - Harken 57 mm Ratchamatic Flip-Flop Block
Code: HAR2144
Original Price: $212.60
Price: $187.10
(You Save: $25.50)
HAR2145 - Harken 57 mm Ratchamatic Flip-Flop Block w/ 150 Cam-Matic
Code: HAR2145
Original Price: $296.25
Price: $260.70
(You Save: $35.55)
HAR2678 - Harken 75 mm Flip-Flop Block
Code: HAR2678
Original Price: $215.10
Price: $189.30
(You Save: $25.80)
HAR2679 - Harken 75 mm Flip-Flop Block w/ Cam
Code: HAR2679
Original Price: $328.55
Price: $289.10
(You Save: $39.45)
HAR2688 - Harken 75 mm Ratchamatic Flip-Flop Block
Code: HAR2688
Original Price: $266.65
Price: $234.70
(You Save: $31.95)
HAR2689 - Harken 75 mm Ratchamatic Flip-Flop Block w/ Cam
Code: HAR2689
Original Price: $380.00
Price: $334.40
(You Save: $45.60)

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