C, CHD, E Type Pneumatic spider is applicable for tubing, drill pipe, casing etc tubular during drilling or work over operation. API Spec.7K is performance standard for those pneumatic spiders. 

Casing Elevator / Spider
Casing elevator/spider is a kind of ideal tool for casing operation. Available size of elevator/spider Jereh provides is from 4-1/2" to13-3/8" O.D. The performance standard for such elevator/spider is API Spec 8A.