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Reef Block 90 mm

Antal Reef Block 90 mm
$804.00 (List Price: $846.00)
5% OFF This Week! You save $42
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Our Part #: ANT994095 | Mfr. Part #: 994.095
Free Shipping for US Continental orders over $99.

Lenght (L)11 1/2 in.292.00 mm.
Width (W)5 1/2 in.140.00 mm.
Track dimensions1 7/9 in.45.00 mm.
Ø Sheave (D)3 1/2 in.90.00 mm.
Side bearingDelrin ballsDelrin balls
Radial bearingComposite fibreComposite fibre
Weight2.87 lb.1.30 kg.
Ø Max line1.00 in.24.00 mm.
SWL17636.98 lb.8000.00 kg.
Shave materialAluminumAluminum
Webbing (N. x width)2.00 x 2 2/5 in.2.00 x 61.00 mm.

The blocks are connected to the mainsail's leech with webbing and reduce point loading on the mainsail when reefing. The small diameter sheaves are suitable for very high loads. The center hole can be a safety connection to the boom when reefed.

Our Part # ANT994095 | Antal Part # 994.095


  • Reef block
  • Sheave Ø90
  • SWL 8.000 kg.
  • The small version (D=50 mm) is for boats to 50 ft, larger (D=120 mm) to 100 ft.