我公司销售各种规格O型圈修理盒：

常用规格
红盒子5A (30 sizes, 382 pcs, AS568 standard) 
蓝盒子5B (30 sizes, 382 pcs, JIS B 2401 standard)                 
黄盒子5C (30 sizes, 386 pcs, JIS B 2401 standard)                 
红盒子8B (32 sizes, 407 pcs, AS568 standard)                
黄盒子8C (32 sizes, 419 pcs, JIS B 240 standard)                  

其他规格（透明塑料盒装）
225 pcs (18 sizes, 225 pcs,nonstandards)                         
222 pcs (17 sizes, 222 pcs,nonstandards)                         
235 pcs (18 sizes, 235 pcs,nonstandards)                         
190 pcs (16 sizes, 190 pcs,nonstandards)                         
125 pcs (18 sizes, 125 pcs,nonstandards)                         
240 pcs (18 sizes, 240 pcs,nonstandards)                         

以上为常用修理盒，丁腈胶（NBR）材质，硬度70，黑色O型圈。