Schaefer Half Moon

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Half Moon Lead Blocks

Schaefer's classic "Half Moon" genoa lead blocks are made from 316 stainless steel.

Spring loaded hinge design prevents the block cage from hitting the deck.
"Half Moon" design keeps Genoa sheet low for a better lead to foot blocks and deck mounted winches.

Schaefer Hinged "Half Moon" Blocks are ideal for mounting to the base of the mast to turn halyards and topping lifts on deck.

Hinged design allows lead to be moved to different deck mounted winches.
Low profile keeps halyards close to the mast and deck.

Schaefer "Half Moon" Fixed Lead Blocks provide the lowest possible Halyard lead on deck.

Half Moon design prevents snags on jib and Genoa sheets

Genoa Lead Blocks

Part No.

Description (Click to view & order)

Price

SCH3203UC

SCH3233UC

Hinged Half Moon Blocks

Part No.

Description (Click to view & order)

Price

SCH30032

SCH50632

SCH3217

SCH3215UC

Fixed Half Moon Blocks

Part No.

Description (Click to view & order)

Price

SCH20031

SCH30031

SCH50631

SCH3206UC

Half Moon Genoa Lead Blocks

Product No.	Track Size	Max LOA, Displ., Sail Area	Sheave Dia.	Max Line	L	W	H	H2	SWL	Weight
32-03-UC	1 1/4"x3/16"	33', 12000 lbs,520sq.ft.	2 3/8"	5/8"	4"	1 5/8"	4 9/32"	1 29/32"	3000 lbs.	1 lb. 4oz.
32-33-UC	1 1/4"x3/16"	38',18000 lbs.,715sq.ft.	3 1/4"	3/4"	5 1/2"	1 5/8"	5 17/32"	2 3/32"	5000 lbs.	2 lbs.2oz.

Hinged Half Moon Blocks

Part No.	Sheave Dia.	Max Line	L	W	H	H2	Fasteners	C/C	SWL	Weight
300-32	1 7/16"	1/2"	2 15/32"	3/4"	2 7/32"	7/8"	(2) #10 FH	1 3/4"	1000 lbs.	3.6 oz.
506-32	2"	1/2"	3 1/4"	7/8"	3 1/16"	1 3/16"	(2) 1/4" FH	2 1/8"	1000 lbs.	7.3 oz.
32-17	2 3/8"	3/8"	4 5/8"	3/4"	3 3/16"	1 7/16"	(4) 1/4" RH	3 15/16"	3000 lbs.	14.5 oz.
32-15-UC	2 3/8"	5/8"	4"	1 3/4"	4"	1 5/8"	(4) 1/4" RH	3"	3000 lbs.	15 oz.

Fixed Half Moon Blocks

Part No.	L	W	Weight	Sheave Dia.	Max Line	H	H2	Fasteners	C/C	SWL
200-31	1 5/8"	19/32"	1.0 oz.	1 1/4"	5/16"	1 1/2"	N/A	1 17/32"	13/32"	500 lbs.\| m\| 22kg
300-31	2 7/32"	3/4"	2.2 oz.	1 7/16"	1/2"	1 31/32"	5/8"	(2) #10 RH	1 3/4"	1000 lbs.
506-31	3"	13/16"	4.3 oz.	2"	1/2"	2 17/32"	23/32"	(2) 1/4" RH	2 1/4"	1000 lbs.
32-06-UC	3 5/16"	1 5/8"	11.3 oz.	2 3/8"	5/8"*	3 5/32"	25/32"	(2) 1/4" RH	3"	3000 lbs.

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