sold in Penac Protti PRD Patented Product Double Chuck Mechanical Pencil Made in Japan Precision Mechanical Pencil Made in Japan [Not Japan, rare]

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A rare item that will appeal to enthusiasts and collectors alike. The company's only "double chuck" feature has a built-in "cushion function" in addition to the "top chuck" which provides the theoretically optimal writing feel and leaves little lead residue. Although it looks like a plain office device, it is extremely well made and is a connoisseur's favorite. The well-made fine knurling is also attractive. Compatible with a wide range of uses such as general writing / shorthand / sketching, etc. [Total length] 140mm [Shaft diameter] 8.5mmφ [Weight] 19.3g Made in Japan Double chuck mechanical pencil PRD Protti manufactured by Penac. A rare item that will appeal to enthusiasts and collectors alike. The double chuck method is a patent obtained by Penac. The company's only advanced mechanism, which has a built-in cushion function in the top chuck mechanism, is condensed into a thin 8mm shaft. Although it looks like a plain office device, it is extremely well made and is a connoisseur's favorite. The well-made fine knurling is also attractive. Please note that this is not a cap for drafting. The shaft is made of plastic with resin coating. This price is possible because it is treated as a current item rather than a discontinued item. If an item is discontinued in the future, the price may increase without prior notice. Features: ■Top chuck with theoretically optimal writing feel and less lead residue ■Cushioning function ■Double chuck that combines these ■Suitable for a wide range of applications such as general writing / shorthand / sketching [Total length] 140mm [Shaft diameter] 8.5mmφ [Weight] 19.3g Made in Japan This is a Penac brand double-chuck mechanical pencil PRD Protti.A rare item that will satisfy enthusiasts and collectors alike.The top chuck mechanism with an additional built-in cushioning function; Penac's only advanced patented mechanism condensed into an 8mm thin body. Suitable for a wide range of uses, including general writing, speed writing, and sketching [Length] 140mm [Body diameter] 8.5mmφ [Weight] 19.3g Made in Japan