Stainless steel cover: it can prevent corrosion and wear, effectively protect the internal structure and operate stably. 304 guide sprocket: it is very smooth and does not jam the chain. Stainless steel load chain: hand chain and load chain are both stainless steel, small pulling force,rustproof and durable. Stainless steel Hook :top and bottom hook are both stainless steel. Difference between full stainless steel and semi stainless steel: All stainless steel includes: all components of hook, shell, hand zipper wheel, three plates, lifting wheel, over wheel, ratchet wheel, support rod, chain plate, all accessories, screws, nuts, lifting chain, hand zipper bar. Semi stainless steel includes: upper and lower hook, upper and lower hook splint, shell, support rod, wheel, hand zipper, lifting chain,Other accessories are chrome plated.

Model	SY-MC-HSZ-B0.5		SY-MC-HSZ-B1	SY-MC-HSZ-B2	SY-MC-HSZ-B3	SY-MC-HSZ-B5	SY-MC-HSZ-B7.5	SY-MC-HSZ-B10
Capacity	0.5		1	2	3	5	7.5	10
Lifting height(m)	2.5		2.5	2.5	2.5	2.5	2.5	2.5
Test load(t)	0.75		1.5	3	4.5	7.5	11.2	12.5
Falls of chain	1		1	2	2	3	4	6
Dimension(mm)	A	142	178	178	266	350	360	580
	B	130	150	150	170	170	170	170
	H	300	390	600	650	880	900	1000
	D	30	43	63	65	72	77	106
Net weight(kg)	12		15	26	38	66	83	180