OneFitWonder Pull Sled w/16' Sled Strap/Speed & Agility, Resistance & Strength Training Exercises Heavy gauge, powder-coated steel for years of reliable service. Also accepts harness 12" removable weight pin - Unscrews to stack the sleds in a corner of your box- or easily throw one in your trunk. Fits 225lbs of bumper plates (or +400lb of iron). Included 16 foot pull straps (1" wide") with 20" loops at each end - Red or Green.