Japanese
Pitons & Bongs

These pitons are Japanese, but there are no markings that identify their specific manyfacturer.

Verticals

551: Japanese Vertical

551: Japanese Vertical

551: Japanese Vertical

↑ 551: Japanese Vertical

Made in Japan [1970s?].
Weight: 74 g.
Overall Length: 121 mm.
Effective size: 75x17x5 mm.
Plated steel.
No markings.
From Mike Gerbman, 2025.

602: Japanese Vertical

602: Japanese Vertical

602: Japanese Vertical

↑ 602: Japanese Vertical

Made in Japan [1970s?].
Weight: 96 g.
Overall Length: 108 mm.
Effective size: 65x30x4 mm.
Plated steel.
One side has "JAPAN" in bas–relief near the anvil.

Horizontals

Set 552-554: Japanese Horizontals

Set 552-554: Japanese Horizontals

↑ Set 552-554: Japanese Horizontals

Made in Japan [1970s?].
Plated steel.
These were clearly made by the same manufacturer, but there are no markings that identify who that was.

552: Japanese Horizontal

552: Japanese Horizontal

552: Japanese Horizontal

552: Japanese Horizontal

↑ 552: Japanese Horizontal

Made in Japan [1970s?].
Weight: 97 g.
Overall Length: 124 mm.
Effective size: 80x19x5 mm.
Plated steel.
No markings.
From Mike Gerbman, 2025.

553: Japanese Horizontal

553: Japanese Horizontal

553: Japanese Horizontal

553: Japanese Horizontal

↑ 553: Japanese Horizontal

Made in Japan [1970s?].
Weight: 78 g.
Overall Length: 119 mm.
Effective size: 75x14x5 mm.
Plated steel.
No markings.
From Mike Gerbman, 2025.

554: Japanese Horizontal

554: Japanese Horizontal

554: Japanese Horizontal

554: Japanese Horizontal

↑ 554: Japanese Horizontal

Made in Japan [1970s?].
Weight: 98 g.
Overall Length: 139 mm.
Effective size: 90x16x6 mm.
Plated steel.
Stamped "95 03" on one side near the anvil.
From Mike Gerbman, 2025.

Offsets

555: Japanese Offset

555: Japanese Offset

555: Japanese Offset

↑ 555: Japanese Offset

Made in Japan [1970s?].
Weight: 74 g.
Overall Length: 60 mm.
Effective size: 60x25x3 mm.
Plated steel.
No markings.
From Mike Gerbman, 2025.