Model DD centre latch elevators ane square shoulder akakodzera kubata tubing casing, drill collar, drill pombi, casing uye tubing. Mutoro unotangira pa150 tons 350 tons. Ukuru hunobva ku2 3/8 kusvika ku5 1/2 mukati. Zvigadzirwa zvakagadzirirwa uye zvinogadzirwa maererano nezvinodiwa mu API Spec 8C Specification for Drilling and Production Hoisting Equipment.