● All Sizes Quenched and Tempered with high-quality alloy steel.
● 55t-300t  larger are proof tested to 2 times Work Load Limit.
● 400t larger are proof tested to 1.5 times Work Load Limit.
● 500t~1000t larger are proof tested to 1.33 times Work Load Limit.
●The minimum breaking load is 4 times of the rating working load.
●Each shackle will be marked with working load.

ITEM No.	WLL (t)	Size（mm）						Weight(kg)
		W	D	P	A	O	S
BK55	55	85	57	100	55	160	240	33
BK85	85	110	76	130	75	200	310	79
BK120	120	130	85	150	85	220	365	111
BK150	150	140	95	170	90	250	390	155
BK200	200	150	105	205	100	280	460	252
BK300	300	185	134	265	120	350	630	452
BK400	400	220	160	320	145	370	650	759
BK500	500	250	180	340	160	450	700	1092
BK600	600	275	200	370	170	490	760	1405
BK700	700	300	215	400	190	540	780	1704
BK800	800	325	230	420	200	554	850	1959
BK900	900	350	255	440	220	584	900	2450
BK1000	1000	380	270	460	240	614	900	2567