High Tension Block — Blocks — Allen Sailboat Performance Hardware

Blocks — High Tension Block
The Allen high tension stainless steel block range is specifically intended for use where wire, dyneema and spectra lines are loaded under high tension. The entire block is engineered using 316 stainless steel and the inner ball race sheave is CNC machined from solid giving unfailing results everytime.

Part	Description	Sheave Dia mm	Length mm	Line Dia. mm	Shackle Pin mm	Break Load Kg.	Weight gm	Photo
A4068	Optimist sprit	16	46	2 - 4	4	400	11
A4568	Micro single	16	29	2 - 4	4	400	11
A4569	Micro double	16	40	2 - 4	4	400	25
A4570	Micro triple	16	40	2 - 4	4	400	36
A4669	Micro double + becket	16	50	2 - 4	4	400	26
A4670	Micro triple + becket	16	50	2 - 4	4	400	38
A4279	Single flared cheek	25	41	2 - 7	5	750	44
A4379	Single fixed head	25	41	2 - 5	5	750	25
A4393	Single fixed head + becket	25	59	2 - 5	5	750	31
A4479	Single + shackle	25	41	2 - 5	5	750	33
A4593	Triple fixed head	25	51	2 - 5	5	750	78
A4679	Double fixed head	25	51	2 - 5	5	750	54
A4693	Triple fixed head + becket	25	68	2 - 5	5	750	84
A4779	Double fixed head + becket	25	68	2 - 5	5	750	60
A4979	Quad fixed head	25	51	2 - 5	5	750	89
A4993	Single clevis pin head	25	41	2 - 5	5	750	31
A4196	Single fixed head	38	60	2 - 6	5	1000	62
A4296	Single + shackle	38	74	2 - 6	5	1000	60
A4379HK	Single + hook	38	105	2 - 6	-	500	81
A4396	Single fixed head + becket	38	74	2 - 6	5	1000	77
A4496	Double fixed head	38	74	2 - 6	5	1000	68
A4596	Double fixed head + becket	38	74	2 - 6	5	1000	68
A4696	Triple fixed head	38	74	2 - 6	5	1000	96
A4796	Triple fixed head + becket	38	74	2 - 6	5	1000	85

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