For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

★ Excellent Quality We offer you this impeccable hardness pen. It is more convenient and durable to use.

★ Hardness test kit It is a multi-faceted shape that has been carefully processed to make it more convenient and durable to use.

★ Tips Forged tips offer superior hardness and precision, allowing you to handle a variety of hard materials with ease and providing greater durability!

★ 2-9 Mohs hardness pen set 2# gypsum, 3# calcite, 4# fluorite, 5# apatite, 6# orthoclase, 7# quartz, 8# topaz, 9# corundum, good texture and appearance Exquisite.

★ Wide application Mohs hardness tester pen, hardness measurement, this hardness test pen is suitable for gems, jade, ceramic tiles, floors, glass, mobile phone screens, minerals, concrete, etc.