Measurement - 21mm x 36mm
Material - Alloy; Brass ( Lead Free, Nickle Free)
Package - a black box as picture show
Other - has a back up rubber pin back
Orders are mailed out in 1-3 business days, Monday through Friday. I ship using 4XP worldwide express from China with tracking code. Items usually arrive within 7-20 days for international orders with standard shipping.
✉Feel free let me know if you need any help.