VENTEV's 5410635 3/8 in shackle. 1-ton load limit. Can be used to mount hoisting grips to towers. Shackle bodies are drop-forged carbon steel. Galvanized to meet ASTM A-153 specifications. C-419-G shackles meet the design requirements of Federal specification RR-C-271, Type IVA, Grade A, Class II. Working load limit, size, manufacture name, date code, and the USA permanently marked on each shackle. Statistically tested for impact resistance, tensile strength, hardness, ductility, and fatigue. 419 series shackles meet or exceed all manufacturing requirements of the ASME B30.26 "rigging hardware." These include the material ductility requirement (section 26-1.1.2), the design factor requirement (section 26.1.2), the identification requirement (section 26-1.5.1), and the effective temperature range (Section 26-1.6.1). The shackles can be proof tested per section 26-1.4. Certification is available upon request. 6-to-1 design factor. Pins and bolts are heat-treated and made of alloy steel. DO NOT EXCEED THE WORKING LOAD LIMIT.
