Enough to Use and Replace: you will receive 16 pieces of fingerboard bearing wheels in 4 colors, and 4 pieces of fingerboard tool screwdriver and nut driver, abundant in quantity, enough for you to use or replace; You can also share them with your friend and family memberLasting Material to Use: the fingerboard bearing wheels are made of stainless steel and plastic material, firm and strong, sturdy and stable in structure, not easy to break, deform or bend, easy to keep their colors and shapes after using for a long timeProper Diameter for Matching: the fingerboard bearing wheels have the right size, convenient for you to use, easy to match with your different projects, applicable and lightweight, simple to store and carry aroundFine Workmanship to Use: the fingerboard bearing wheels have smooth surfaces, with good texture, compatible with most fingerboard trucks, convenient and practical, giving you a nice using experienceDecent and Thoughtful Gift: the fingerboard bearing wheels are appropriate for you to give to your family members, friends, relatives and more, good choices for both beginners and experienced people, easy to promote your relationship