This is an Archer branded 16" Guide bar to fit Stihl models 009, 010, 015, 019, 020, 023, 025, MS180, MS190T. MS192, MS210, MS220, plus many more. Also fits Efco (Olympyk) models 234, 240, 241, 244, 935, 935D, OLE200.
The guide bar is 3/8LP pitch, .050 gauge and uses a 55 drive link chain.
Archer Guide Bars, Archer Chainsaw Chain and Archer Accessories are sold world wide and are known for quality products!