Common Loop  
Description:
·Strong,durable design.
Material: Acetal(POM) Nylon/(NY)
Size:     
20mm (Smaller)  4580* 6872* 
3/4'' (20mm)  2-05217 2-05191 
1'' (25mm)  2-04272 2-05305 
1-1/4'' (30mm)  2-05218 2-05192 
1-1/2'' (38mm)
USA Code 
1-00176
4273 
1-20176 
40mm  2-05219 2-05193 
2'' (50mm)  2-14581 2-05454 
*4580,6872 from USA only.