For light to medium duty in nail type fastener 

Fastener type Material Capacity Pull tester
Zinc Nailin 4000psi Concrete (3/4\" to 7/8\" embedment) 1000lb EXTRACTOR
Zinc Nailin 4000psi Concrete (1-1/8\" to 1-7/8\" embedment) 1500lb EXTRACTOR
 
Light duty in concrete, block, and brick
Fastener type Material Capacity Pull tester
Nylon Nailin 3000psi Concrete (1/2\" embedment) 500lb EXTRACTOR