... deformation testing 4.Small volume,carring a big weight US Type Screw Pin D Shackle G2101.According ... generally classified into US type, JIS ,GB. US standar of small volume ,carring a big weight are ... G2130 (BX) ,G2150 (DX).3.According to the type are divided into: Bow shackle, Bow shackle with nut, ... D type shackle, D type shackle with nut.4. Material quality : Carbon ...