Hanze ya diameter yumurongo ugenzura ni 3/8 '' (9.53mm).
Ubunini bw'urukuta: 0.035 '' (0.89mm), 0.049 '' (1.24mm), 0.065 '' (1.65mm), 0.083 '' (2.11mm)
Imiyoboro yo gutera inshinge iraboneka muburebure kuva kuri metero 400 (metero 122) kugeza kuri metero 32,808 (metero 10,000).Nta kibuto kizunguruka.
Ibindi bisobanuro (1/8 '' kugeza 3/4 '') birahari kubisabwa.