Plastic Rod-B
Length approximate 30cms and 12mm dia.
Ebonite Rod-C
Length approximate 30cms and 12mm dia.
Glass Rod -D
Length approximate 30cms and 13mm dia.
Perspex Rod-E
Highly finished length approximate 30cms and 12.5mm dia.
Compound Rod-F
Half glass ,half brass length approximate 30cms and 13mm dia.
Compound Rod-G
Half ebonite ,half brass length approximate 30cms and 12mm dia.