Muraayadda dhalada ee aan dhaladka ahayn badanaa waxay isticmaashaa jir ka dibna gelisaa galaaska qallafsan, ama ku dhaji galaaska cadhada leh dhalo galaas ah, ama waxaad ku hagaajin kartaa muraayadaha kuleylka leh.
Muraayad aan damiir lahayn oo dhalo qaro weyn leh: 10mm (3/8 ″), 12mm (1/2 ″) Ama dahaar leh