Brass flat 1/16 x 1/4.
the 3 foot lengths come from the USA as I cant get them in the UK and are:
- Alloy 260 1/2 hard ASTM B36
- RoHS Compliant
- R.E.A.C.H. Compliant
- Hazardous Minerals Compliant
- Considered Lead Free for Industry
- General Purpose materials with mill finish