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SchaeferSchaefer Flat Base Aluminum Double Cheek Block / Delrin 2 in. (51 mm) Dia. Sheave
Product Description

Flat, stainless base plate distributes loads to a larger surface area than other designs that place loads on mounting bolts only. Use on spars and deck to lead sheets, halyards, reefing gear, and any control requiring a strong, smooth lead.

Double Cheek Block with Delrin Sheaves. Lower Sheave Safe Working Load 1750 lbs, Upper Sheave 350 lbs.

Use for:
55-60 to fit curved spars.

Part Number: 504-28


Specifications
Imperial Metric
Sheave Dia. 2" 51 mm
Max Line 7/16" 11 mm
Length 3 5/8" 92 mm
Width 2 7/32" 57 mm
Height 1 19/32" 40 mm
Fasteners (4) # 10 RH 5 mm
Fastener Spacing 3" 76 mm
Safe Working Load * 1750 lb 795 kg
Weight Alum. 7.9 oz 224 g

* Safe Working Load for Top Sheave of double version 303-29, 200 lb (91 kg), 504-28/505-28, 350 lb (159 kg), and 704-28/705-28, 500 lb(227 kg).
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    Code: SCH50428
    Original Price:$114.70
    Price: $86.72
    (You Save: $27.98)

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