For ” Compact Conveyor Chains”, numerous backlinks are available for 
coupling and attaching customized units straight for the chains. These backlinks are referred to as attachments. The next regular attachments are available.
Kinds and names of conventional attachments
standard attachments include five types for single pitch chains and 5 sorts for double pitch chains as illustrated under. Furthermore, for single pitch chains, four forms of wide attachments, as wide as outer plates, can be found. Normal attachments for respective chain sizes are listed within the following webpage.
Ways to indicate the specially arranged chains with attachments
A chain with Attachment K1s specially organized as above is indicated as follows:
CJ＋（K1 inner＋PL）×3＋3LL＋PL＋（K1 inner＋PL）×3＋3LL＋K1 outer＋（RL＋K1 outer）×2＋5LL
“CJ” stands for a C connecting hyperlink; “K1 inner”, an inner link Attachment K1; “PL”, an outer link; “3LL”, 3 links from an inner hyperlink to an inner link; “K1 outer”, an outer link Attachment K1; and “RL”, an inner website link, respectively. A “＋” signal signifies “connection”, as well as a “×” indicator suggests “repeat”. (For one-side attachments such as Attachment A and Attachment SA, the place of attachment plates is on side A in the over illustration.)
Note: When attaching attachments to just about every even-number link, they may be connected to outer links, except if specified.