Beam Clamp 1.Universal malleable iron beam clmap 2.Size range:1/4-20,3/8-16,10-24 3.Surface finish:black,electro-z Stamped Steel Beam Clamp,C Style Beam Clamps 1.universal malleable iron beam clmap 2.size range:1/4-20,3/8-16,10-243.surface finish:black,electro-z 4.Jaw Opening: 3/4",15/16" 5.Special Features: Back and Bottom tapped 10-24/1/4-20/3/8-16 Application: These steel beam clamps are used ...