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Schaefer Flat Base Aluminum Double Cheek Block / Delrin 2 3/8 in. (60 mm) Dia. Sheave
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Schaefer Flat Base Aluminum Double Cheek Block / Delrin 2 3/8 in. (60 mm) Dia. Sheave

SCH70428
Schaefer
List: $168.50
Price: $121.34

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    Technical Information


    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.

    Aluminum Double Cheek Block with Delrin Sheaves. Safe Working Load Lower Sheave 2250 lbs, Lower Sheave 500 lbs

    Use for:
    55-61 to fit curved spars.

    Part Number: 704-28


    Specifications
    Imperial Metric
    Sheave Dia. 2 3/8" 60 mm
    Max Line 1/2" 13 mm
    Length 4 3/8" 111 mm
    Width 2 3/4" 70 mm
    Height 1 29/32" 48 mm
    Fasteners (4) 1/4 RH 6 mm
    Fastener Spacing 3 5/8" 92 mm
    Safe Working Load * 2250 lb 1020 kg
    Weight Alum. 13 oz 368 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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