531 124 CONVEX Master bow compass
Year: 1996

531 124 0 (S0233580) CONVEX Master bow compass with rapid adjustment
Without extension bar for circles up to 300mm dia

-velour nickel-plated
Rugged lever mechanism
With lead insert and lead box.
2 hinged legs.
Lenght: 165 mm
Shank dia. 4.0mm

531 224 0 all same but with extension bar for circles up to 570mm dia

before 1990. at same article number slightly different version of velor nickel-plated compass was available as RT 531 series...
until 1996 became CONVEX series which continued on to 2015.
This particular compass was not produced anymore in 2006.

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