The Hard Weight Guys have their Clip-On Weights, the ones that Hurt and Break Stuff.Features: Weight Increments of 2, 3, 4 or 5 lbs Handy Weight for Teaching, or Clip-Off to a Marker-Buoy Line Quickly-Attach to any D-Rings to Stabilize a Divers Buoyancy Strong, High-Density Neoprene Bag 5 Threads of Thick 100% Nylon Protect the Seams from Opening-Up 4 Year Warranty Against Lead Coming-Out of Any Seam Brass Swivel Clip with Spring Loaded Gate and Large Trigger Clip Lever Must be Rinsed-Thoroughly and Drained After-Every--Dive, Seam-Down, Till Dry