The Schaefer Marine Series 3 Flat Base block is designed for smooth operation and reliable performance on your sailboat. It features an aluminum cheek and a Delrin plain bearing sheave, supported by a stainless steel base that effectively distributes loads across a wider surface area.
Specifications:
- Sheave diameter: 1-7/16 in. (37 mm)
- Maximum line size: 7/16 in. (11 mm)
- Dimensions: 2-7/8 in. L x 1-3/4 in. W x 3/4 in. H
- Safe working load: 1000 lbs. (450 kg)
- Fasteners: Requires (4) #10 RH (5 mm) fasteners
- Mounting hole centers: 2-3/8 in. (60 mm)
- Weight: 2.5 oz. (71 g)
- Manufacturer Part Number: 303-09
Product facts
- CT SKU
- CT-107246
- Model / MPN
- 303-09
- UPC / GTIN
- 740507003240
- Package dimensions
- 1" X 2" X 4"
- Package weight
- 0.17 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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