heavy duty Series  5 5/8 x 8" long– 3/16″ thick

offers more stability for post and pad docks will fit posts up to 1 7/8″ outside diameters  

9/16″ x 1″ holes
Spacing of center holes at center

3 1/2″ used for 2 x 6 ,

4 1/2″ used for 2 x 8

5 1/2″ used for 2x 10 or 2 x12 
Requires 1/2″ Galv. carriage Bolts  (#MO CAB008208HDG ) https://www.docksplus.ca/index.php?route=product/category&path=104_28_612

Can also be used to connect anchor chains to the dock; https://www.docksplus.ca/index.php?route=product/product&path=104_28_506&product_id=2409
Also serves as a guide for post on floating dock. To use without the bolts in this case.

use with 2 x 6 , 2 x 8 , 2 x 10 , 2 x 12 construction

use DE99006F backing plate ( for using 3 1/2" center holes at center for 2 x 6 construction  )

use DE98604F  backing plate ( for using 4 1/2" center holes at center for 2 x 8 construction  ) 

use DE98604F backing plate  ( for using 5 1/2" center holes at center for 2 x 10, 2 x 12 construction )

https://www.docksplus.ca/index.php?route=product/category&path=104_28_600

order hardware for mounting , 4 of 1/2" x 2 1/2 or 3" Galv. carriage bolt , lock washers , nuts

Bolts to side or front of dock frame to anchor it in place yet allows vertical movement for water variances.

can also be sleeved with abs plumping pipe for post with auger to ride up and down with out noise , stabilizes your floating dock from side movements,

Note : you should also look at cross anchoring with  aircraft and chain at from and back, especially with bigger fluctuations of water levels on river systems  

https://www.docksplus.ca/index.php?route=product/product&path=104_28_506&product_id=2237