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A triplet lens system for correcting spherical and chromatic aberrations. Eliminates color degradation and puts every part of the wide field of view in sharp focus.
Black and White versions available. Trays have grooves to assist stringing and round indentations for size sorting.
Primarily used to form bezels, these mandrels are also used to shape decorative ornaments, make chain links, etc. Made of hardened and tempered steel.
6″ (152 mm) lengths in assorted sizes from 20 to 70 by drill gauge.
6″ lengths in assorted sizes from 20 to 70 by drill gauge.
6″ lengths in assorted sizes from 20 to 70 by drill gauge. Packed in plastic tubes.
Forms ingots or bullion of various sizes. Cast iron. Depth: 35 mm, Length: 90 mm, Width: 35 mm, Capacity: 78 g.
Forms ingots or bullion of various sizes. Cast iron. Depth: 30 mm, Length: 120 mm, Width: 45 mm, Capacity: 124 g.
Forms ingots or bullion of various sizes. Cast iron. Depth: 3-15/16″ 135 mm, Length: 1-3/4″ 45 mm, Width: 3/16″ 5 mm, Capacity: 200 dwt 310 g.