This is the hardware kit we use with all of our target plates 10" and larger
Two kits are available:
1/4 and 3/8" plates - contains 1 1/2" carriage bolt, locking nut and chain section
1/2" plates - contains 2" carriage bolt, locking nut and chain section
Carriage bolt and nut are GRADE 8 zinc.
Chain is 3/8" schedule 70 transport.