6mm Precision Tip Replacement Stylus Nubs for Dockem Executive Stylus Item DCKMST14 and DCKMST14-GBX 6mm precision tip replacement stylus nubs for the Dockem 14cm styli (items DCKMST14-GBX or DCKMST14) Dual construction ultra-sensitive micro-fiber knit capacitive stylus tips 6mm diameter tip provides extra precision compared to industry standard 8-10mm tips Built-in durable metal base makes removing and replacing a breeze Note that while these will work on Apple devices, they do require more pressure than a standard stylus tip. For that reason, these tips are not recommended for Apple devices. On the other hand, they are a top choice for Android and Windows devices.