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Schaefer Marine |
 | | | | | Half-Moon Fixed Lead and Mast Base Blocks | | |
| | 7/16" (11mm) to 5/8" (15mm) |
| | | |  | | The extremely low entry of these blocks keeps control lines and halyards close to the deck. Cheeks are constructed of tumbled and polished stainless steel for maximum resistance to corrosion and cracking common to plastic designs.
Features:
Visible, open race ball bearing design allows salt, dirt and debris to be easily flushed out, for simple maintenance. BB version features free-running Delrin ball bearings for moving long lengths of line quickly UC version features an aluminum Universal Circuit sheave which combines a Teflon-impregnated Nomex bushing with Delrin 107 ball bearings and is precision engineered to withstand heavy static loads, yet still run free under light loads
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