3/4” X11 GA. SAE Flatwasher ASTM A36
 1” O.D. x 13 GA.x1” Roll Tube ASTM A36
 1”x1” Formed Angle Legs ASTM A36
 1 1/4” x 13 GA. Flat Base ASTM A36
Weld Width 1/4” ER 705-X 
 Embossed Label SEDCO BSK #1976-1
    6” to16” 4000 LBS 18” to 30” 3000 LBS*
   
  *Based on Tested Ultimate Load Divide by a Factor of 3
 
Tested and Listed by Twining Inc. 
-Twining is a full-service engineering company with unmatched technical expertise and a strong reputation for delivering reliable and compliant engineering services and solutions. For over 125 years, Twining built a legacy of setting new benchmarks for quality and innovation in materials testing, 
inspection, applied engineering, and integrated disciplines.