Pulling / Lifting Irons 10 1/2" ConcreteCompressiveStrengthMinimum Embedment DepthLoadRating 1,500 psi5″3,400 lbs.2,500 psi5″3,800 lbs.4,000 psi5″4,000 lbs. 12" ConcreteCompressiveStrengthMinimum Embedment DepthLoadRating 1,500 psi7″4,500 lbs.2,500 psi7″6,300 lbs.4,000 psi7″7,400 lbs. 15" ConcreteCompressiveStrengthMinimum Embedment DepthLoadRating 4,460 psi9″9,800 lbs. 18" ConcreteCompressiveStrengthMinimum Embedment DepthLoadRating 4,460 psi12″13,800 lbs. 44" ConcreteCompressiveStrengthMinimum Embedment DepthLoadRating 4,000 psi37 1/2″14,000 lbs. 44" Double ConcreteCompressiveStrengthMinimum Embedment DepthLoadRating 4,000 psi37 1/2″29,500 lbs. 3/8" x 3 1/2" ConcreteStrengthTension Straight Up 4,000 psi1,750 lbs. 3/8" x 5 1/2" ConcreteStrengthTension Straight Up 4,000 psi5,000 lbs. 3/8" x 18" ConcreteStrengthTension Straight Up 2,000 psi9,500 lbs. 3/8" x 44" ConcreteStrengthTension Straight Up 4,000 psi9,500 lbs. **Use Only in Tension Straight Up Pull 1/2" x 3 1/2" ConcreteStrengthTension Straight Up 4,000 psi2,500 lbs. 1/2" x 6" ConcreteStrengthTension Straight Up 4,000 psi2,800 lbs. 1/2" x 7" ConcreteStrengthTension Straight Up 3,000 psi2,800 lbs. 1/2" x 9 1/2" ConcreteStrengthTension Straight Up 4,000 psi3,200 lbs.