SUMMER RECESS. We'll be back on August 29th! All orders placed during our summer break will receive a small gift!
Huben K1 · Cal .22 (5.5 mm)
Huben K1 · Cal .25 (6.35 mm)
Huben K1 · Special Edition Cal .22 (5.5 mm)
Huben K1 · Special Edition Cal .25 (6.35 mm)
China: External diameter X section => 29x3
Many other countries: Internal diameter X section => 23x3mm
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