1. many specifications for choice : 10#,11#,12#,0.36x51mm,0.41x38mm(50mm,80mm),0.45x40mm(48mm,80mm,100mm,180mm),0.7x100mm(120mm,160mm) 2. differen package is available: 25pcs/package,10000pcs/box; 3. small quantity order is acceptable.