A na-ahazi mkpanaka nha ogologo telescopic gburugburu ka ọ dabara na nha metric. Ejiri ọkpọkọ eriri epoxy iko siri ike mee mkpanaka mkpuchi bụ isi. Ngwaahịa a nwere ezigbo ihe onwunwe eletriki na nke mekanikal. Ogwe nha ogologo ahụ dị mfe ibu ma dịkwa mfe ịrụ ọrụ, ọ nwere ike ịtụ elu nke eriri ike dị n'elu na eriri nkwukọrịta site na ala. Nhazi nke elu ngwaahịa ahụ doro anya ma zie ezi, njehie nha ahụ erughịkwa 5cm.