Q. What are the E-Z slides and BunkEnders made from? The E-Z Slides and BunkEnders are molded from a slippery plastic composite. Q. How far apart should I place my E-Z slides? The E-Z Slides should be placed approximately 12”-18" apart. Q. What are the weight restrictions for using the E-Z slides?E-Z Slides are recommended for metal boats up to 4,000 lbs. and fiberglass boats up to 1,500 lbs. At weights over 1,500 lbs. the pressure of the slides against the fiberglass hull can crack fiberglass gel coat. Q. Can I use E-Z Slides with a Painted Bottom Boat? It is not recommended. While the pads will slide fine on a painted bottom, they may abrade or scratch the bottom paint where it contacts the slides. Q. Can I use E-Z Slides with a riveted metal boat?Yes, E-Z Slides work fine with riveted metal boats up to 4000 lbs. Q. How do I mount the E-Z Slides and BunkEnders?The E-Z Slides and BunkEnders mount directly to your trailer bunks, over carpeted or bare bunks. Drill 1/8" pilot hole through one of the mounting holes and attach the pad with a stainless steel screw (supplied). Make sure other end of pad is flushed with the bunk and repeat. Do not over-tighten screw - as damage to the trailer slide may result. Be sure that the screw head is level and fully set into the screw well so that the head is below the surface of the pad. Screw heads on an improperly installed trailer slide can scratch or gouge the bottom of your boat. Q. What size trailer bunks will the E-Z slides fit?The E-Z Slides are available in sizes to fit bunks 2”, 4” and 6” wide. E-Z Slides come in three widths: 1.5", 3" and 5". Q. What size trailer bunks will the BunkEnders fit?BunkEnders are 3” wide and are for bunks 4” or 6” wide. On 6” wide bunks, mount your E-Z Slides on the inner edge of the end of the bunk where the most contact and wear occur.