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LEWMAR 40mm Synchro Control Blocks

Molded MRT sheaves and composite cheeks, combines with stainless steel central races and ball bearings, reduce weight and roll resistance, and improve impact resilience. Design versatility, and extremely high load capacities also makes the Control Blocks suitable for everything from control blocks on large yachts to dinghies.

  • Sheave: MRT Composite reinforced plastic
  • Sheave Size: 1-9/16" (40mm)
  • Ball Bearings: Stainless steel
  • Line Size: 3/8" max.
  • Cheek Material/Finish: Composite reinforced plastic
  • Shackle/Strap Type: Stainless steel
  • Cleat: Models with cleat: adjustable cam arm, composite cam cleat
  • Ratchet: No
Customer Reviews
Product Models
Description WM Model # MFG Part # Availability Price Quantity  
40mm Synchro Control Block, Single Stand-up, MWL 528 lb., Wt. 1.9 oz. 13350889 29901420BK
In stock online.

$30.95

40mm Synchro Control Block, Single with Swivel, MWL 528 lb., Wt. 1.8 oz. 13350897 29901421BK
Ships when available.

$28.14

40mm Synchro Control Block, Double, MWL 1,056 lb., Wt. 4.0 oz. 13350905 29901422BK
In stock online.

$57.21

40mm Synchro Control Block, Triple, MWL 1,584 lb., Wt. 6.6 oz. 13350913 29901423BK
In stock online.

$86.28

40mm Synchro Control Block, Single with Becket, MWL 528 lb., Wt. 2.0 oz. 13350921 29901424BK
In stock online.

$22.78

40mm Synchro Control Block, Double with Becket, MWL 1,056 lb., Wt. 4.1 oz. 13350939 29901425BK
In stock online.

$60.96

40mm Synchro Control Block, Triple with Becket, MWL 1,584 lb., Wt. 6.8 oz. 13350947 29901426BK
In stock online.

$90.04

40mm Synchro Control Block, Single with Becket & Cam, MWL 528 lb., Wt. 2.0 oz. 13350954 29901428BK
In stock online.

$80.65

40mm Synchro Control Block, Triple with Cam, MWL 1,584 lb., Wt. 8.7 oz. 13350962 29901429BK
In stock online.

$122.86

40mm Synchro Control Block, Triple with Becket & Cam, MWL 1,584 lb., Wt. 8.9 oz. 13350970 29901430BK
In stock online.

$126.61

40mm Synchro Control Block, Single with Strap, MWL 528 lb., Wt. 1.6 oz. 13350988 29901441BK
In stock online.

$24.38

40mm Synchro Control Block, Single Web, MWL 528 lb., Wt. 1.4 oz. 13350996 29901447BK
In stock online.

$23.67

40mm Synchro Control Block, Cheek, MWL 528 lb., Wt. 1.5 oz. 13351002 29901460BK
In stock online.

$23.67

Product Description

Molded MRT sheaves and composite cheeks, combines with stainless steel central races and ball bearings, reduce weight and roll resistance, and improve impact resilience. Design versatility, and extremely high load capacities also makes the Control Blocks suitable for everything from control blocks on large yachts to dinghies.

  • Sheave: MRT Composite reinforced plastic
  • Sheave Size: 1-9/16" (40mm)
  • Ball Bearings: Stainless steel
  • Line Size: 3/8" max.
  • Cheek Material/Finish: Composite reinforced plastic
  • Shackle/Strap Type: Stainless steel
  • Cleat: Models with cleat: adjustable cam arm, composite cam cleat
  • Ratchet: No

Specs

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