The Venom Line Polishing Pads are and integrated design so they can be used with other brands in the same grits.  These can be mixed with Alpha and Glossfire. The Venom line polishing pads are made for line polishing machines and have velcro to be attach to Velcro backers.

These come in The venom Grit step formulas and line polishing grits of 50/ Coarse, 100,200,500,1000,2000, 3000, High Gloss

Many combinations of both 3 steps grits and number grits can be used, for example one can use (Step 3) instead of a 3000 grit. Step 3 is slightly shinier that 3000 grit