... steel,alloy steel Weight:0.1kg to 5kgs Certificate:ISO9001 base jack Material:Cast iron,carbon steel,alloy steelWeight:0.1kg ... field includes nuts, bolts, washers, screws,pins, rivets, anchors per international standard IFI, ANSI, DIN, ISO, JIS, BS etc. and no ... you with excellent quality, competitive price and on-time delivery. base jack