HMM
HMM is a stationery brand from Taiwan. 3 guides to HMM products. More: official site hmmproject.com.
HMM guides and roundups
HMM Ballpoint: 22 g Twelve-Sided Aluminum Click Pen
HMM Ballpoint explained: a 136 mm, 22 g milled-aluminum click pen with a twelve-sided barrel, Schmidt P900M 0.7 mm refill, Raw or Black, made in Taiwan, US$35.
HMM Eraser Ball: 66 mm Eraser That Holds Pens and Cards
HMM Eraser Ball explained: a 66 mm, 165 g eco rubber eraser of six parts that also holds pens and cards, four colors, made in Taiwan, US$15 on the maker's shop.
HMM Pocket Ruler: Six Measuring Cards in a Leather Case
HMM Pocket Ruler explained: six 90 × 53 mm acrylic cards for type size, line height, width, angle, radius and cm, in a leather case, made in Taiwan, US$45.