Features:
Stainless steel rings, screws, with bolts and nuts.
Not rust, corrosion, high hardness, fine workmanship.
Widely used in machinery and equipment steel, construction, metallurgy, automobile manufacturing, industrial machinery and other infrastructure projects.

Specifications:
Product name: Stainless steel screw rings
Material: Stainless steel
Scope: Marine fasteners
Size  A-Overall length  B-Inside diameter C-Eye bolt thickness D-Thread length
M6  8.4cm/3.3" 1.6cm/0.62" 0.5cm/0.19" 5.2cm/2"
M8 11cm/4.3" 2cm/0.78" 0.7cm/0.27" 7.1cm/2.79"
M10 13.5cm/5.3"  4.3cm/1.69" 0.8cm/0.31"  9.2cm/ 3.62"
M12 16cm/ 6.2"  5cm/1.96" 1cm/0.39" 11cm/4.33"

Package Included:
1x Screw
1x Nut
1x bolt