The distance can be set from 30mm to 90mm. They are in very good condition.
PROSES PT-N-01 N 1:160 GAUGE ADJUSTABLE PARALLEL TRACK TOOL (2 PCS)
Proses PT-HO-01 HO/OO Gauge Adjustable Parallel Track Tool
Proses PPT-TT-01 TT Scale Adjustable Parallel Track Tool
TT Scale Adjustable Parallel Track Tool Proses PT-TT-01
Proses PT-N-01 N Gauge Adjustable Parallel Track Tool
3 Track (00/HO Gauge Parallel Track Tool for 00/HO Gauge Track/Hornby) PACK OF 4