Exit Boxes

Allen Sheave Boxes are available with a plain bearing or ball bearing sheave. Allen also have the following choice of sheave material to suit your application: Acetal Resin, Stainless Steel and Alloy.

Sheave boxes are suitable for all types of halyard systems, control line systems and general running rigging.

The low profile range of sheave boxes feature Allen's unique hook-in cage; designed to deal with the high loads of modern rigs.

Schaefer's halyard exit boxes feature Stainless Steel construction with aluminum sheaves and Stainless Steel spacers with the ability to handle high static halyard and reefing loads.

Antal - 12 different sizes with diameters from 40 to 140 mm for working loads (SWL) up to 9000 kg. Hard black anodized aluminium frame with insulating washers for corrosion protection. Resin sheaves (aluminium sheaves for 100, 120 and 140 mm only) with composite fibre main bearing (not on size 40) and double side self-captive ball bearing (mounting screws not included)

 
*Working and breaking loads are very dependent on the fixing of the sheave box.  


100mm OPF series verticl fix

100mm OPF series verticl fix

$580.40

40mm Mast block

40mm Mast block

$210.75

50mm Mast block

50mm Mast block

$236.95

60mm OPF series mast block

60mm OPF series mast block

$263.35

8mm Plain bearing Acetal sheave Aluminium Box 43 x 17mm
On Sale 27% OFF RRP $21.10
8mm Plain Bearing Alloy Sheave Aluminium Box 52 x 15mm
On Sale 34% OFF RRP $38.00
Exit Box

Exit Box

$48.60

Nylon Mast Head Sheave Box - Plain Bearing - to fit 20mm Tube
On Sale 27% OFF RRP $74.90


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