Imodeli ye-DD center latch elevator enehlombe eliyisikwele ifanelekile ukuphatha i-tubing casing, ikhola yokubhoboza, ipayipi lokubhoboza, i-casing kanye neshubhu.Umthwalo usukela ku-150 tons 350 tons.Usayizi usukela ku-2 3/8 kuye ku-5 1/2 in. Imikhiqizo iklanywe futhi yakhiwe ngokuvumelana nezidingo ze-API Spec 8C Specification for Drilling and Production Hoisting Equipment.