20pack
M12 x 1.522.7mm OD39mm long16mm inner HEX. See my key-hex adapter listing for use of locking option60 degree floating seatVisit my store for different colors and quantity setsCan be used as locking with longer stud and hollow HEX16 Allen head (Not included. Purchase from my other listing).
Shipping:
USPS - free but unreliable. 1 out of 50 packages delivered1-4 weeks after estimated by .
UPS - $9 flat rate. Delivers every package as promised onthe listing or faster.
UPS 2nd Day Air- $20 flat rate. Fast and reliable.
UPS Next Day Air -$40flat rate. The fastest and reliable.