Thread & Sinew

Guide for Choosing Thread Size

Thread Size                          Applications
69/69.................Lightweight leather, belts, purses, etc. ... up to 8 ounce
138/69.................Recommend for leather up to 10 ounce. Shoe and garment repair
207/207..............Medium weight leather products such as leashes, haulters, bridles, etc.
277/207..............Use for projects from 3/16” to 1/2” in thickness.
277/277..............Heavy weight leather or nylon.... from 1/2” to 5/8” thick.
346/277..............Heavy weight leather or nylon.... from 5/8” to 7/8” thick.