1980年代に発売された「テクナ」のスリムナイフです。後ろのグレーのボタンを押すとナイフのさやの部分の黒いプロテクターが「シャキーン！」と言う感じで握りのステンレスケースに収まります。ペーパーナイフとしていかがですか？

Tekna - Arizona Custom Knives

Can anyone tell me more about the Tekna Micro Blade Knife series? : r/knives

RARE vintage 1985 Tekna micro pen knife. - YouTube

Tekna Switchblade Knife

UZI Zaka Micro Black Rescue Folding Stainless Pocket Knife KFDR010 – Atlantic Knife Company

Tekna Micro Knife

Vintage TEKNA Micro Knife w/ Spring Retractable Guard, Black | eBay

Whatever happened to these knives?? - TalkBlade.Info Knife Forums

Vintage TEKNA Micro Knife w/ Spring Retractable Guard, Black | eBay

Micro Knife - Retracting Auto - Arizona Custom Knives

Vintage TEKNA Micro Knife w/ Spring Retractable Guard, Black | eBay

Shop Tekna for Sale + Huge Discounts

Vintage TEKNA Micro Knife w/ Spring Retractable Guard, Black | eBay

Can anyone tell me more about the Tekna Micro Blade Knife series? : r/knives

Tekna Micro Knife | Tom Hall Auctions, Inc