Handrail roller chain

Specifications
Property	Description
`Title`
`model`
`brand`
`type`	bearing Roller
`Number of rolls per unit`	Single leaf door Double fold Triad Four five
`Internal roller material`	plastic steel aluminum iron
`External roller material`	plastic steel aluminum iron
`Basic sex`	plastic steel aluminum iron
`Bearing type`
`Distance between rollers`
`Tensile strength`
`Maximum Allowable Load`
`Roller size`
`Bush size`
`Weight`
`operating humidity`
`Operating Temperature`
`color`
`color group`	white black red pink yellow orange green blue violet purple navy brown silver golden gray
`after sales service`	Warranty guarantee shipping installation
`certificate`
`guarantee period`	day week month year
`warranty period`	day week month year
`Description`
`thumbnail original`
`Thumbnail 1`
`Thumbnail 2`
`Thumbnail 3`
`Title`
`Description`