1. Sab phaj yog cam khwb cia hlau, forged swivel qhov muag.
2. Muaj xim ntsuab lub cev / txiv kab ntxwv lub log.
3. Bronze bushed sheaves nrog loj bearing txoj kab uas hla rau ncua lub neej thaiv.
4. Qhov kawg Load yog 4 npaug ntawm Kev Ua Haujlwm Load Limit.
5. Ib sab phaj tuaj yeem qhib thiab muab hlua rau hauv lub log.
6. Lawv tau siv dav hauv kev lag luam marine navigation, kev tsim kho, mine, warehouse thiab lwm yam.