For accurate sharpening with stamped sharpening angles. 

File reference
# Chain File Size
71 PM 3.2 mm (1/8")
61 PMM, 63 PMM 4.0 mm (5/32")
23 RM, 23RS 4.8 mm (3/16")
33RM, 33RS 5.2 mm (13/64")
5605 007 1000

Data sheet

Category, Chain:
1. 1⁄4" 71PM
Associated products:
3.2 mm (⅛")
Works:
Regular maintenance

Accessories