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Description
Schaefer Series 3 Flat Base/Alum Cheek/Delrin Sheave [303-09]Series 3 Flat Base Alum Cheek Delrin Sheave Delrin plain bearing sheave ensures smooth operation and high safe working load. Stainless Steel base distributes loads to a larger surface area. Specifications: Sheave Dia. 1 7 16" (37 mm) Max Line 7 16" (11 m) Length 2 7 8" (73 mm) Width 1 3 4" (44 mm) Height 3 4" (19 mm) Fasteners (4) #10 RH (5 mm) C C 2 3 8" (60 mm) SWL 1000 lbs. (450 kg) Weight Alum. 2. 5 oz. (71 g)
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4.5 ★★★★★
Based on 2382 reviews
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Product Reviews
★★★★★ 5
Excellent research and well written by a Noble Laureate
Format: Hardcover
Excellent research and well written.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 10, 2025
★★★★★ 2
should have been shorter
Format: Hardcover
really interesting approach - but far too wordy
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Reviewed in the United States on February 3, 2026
★★★★★ 5
6 year old loves these books
Format: Paperback
One of my son’s favorite book series.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Ohhh space chickens! :)
Format: Paperback
My son love love loves this series!
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Purple Space Chickens 5
Format: Paperback
Another great book in this series. We had lots of laughs. Sprinkles and Bears interactions were so funny in this book. Looking forward to book 6!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 11, 2025
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