They can be used on belts 2" or wider, but does not clip under the bottom of the belt.
6PCS Stainless Steel Belt Clip Grip Hook Loop for IWB Kydex
Set of 20x BLACK Phillips Flat Head Chicago Screws/slotted Posts
Alias - NeoMag
Kydex Holster Belt Loops
Set of 20x BLACK Phillips Truss Head Chicago Screws/slotted Posts
Set 2x Pair IWB Belt Clips + Mounting Hardware Custom Hybrid Kydex
HolsterBuilder Kydex Clips Grip Hook - 3 Pre-Drilled
MATCHPOINT USA Push to Lock (PTL) Inside Waste Band
Bucks Pro Tucker IWB Hybrid Holster
Dual Slot/Hole Hybrid Designer Spring Steel Belt Gun or Knife Clip
10PCS/LOT Quick Clips For Belt Kydex Leather Hybrid Holster Loop
Alias - NeoMag
Multi-Hardware Holster - Multiple Clips - IWB - Athena's Armory
J Clip Poly Universal Under Belt Kydex Gun Holster Clip for IWB