Convert your exising bolt-on sytem to a quick release with the SmartRest Quick Release Adapter Kit! This kit is designed with larger holes to fit the Powa Beam RC504 Quick Draw Remote.Features: Converts from a Bolt-On Light System to a Quick Release Style Adapts Thermal Night Vision, Cameras, and Search Lights Constructed of Alloy and Steel Parts Clamps all 20-21mm Weaver Rails Can be used in Law Enforcement, Security, Search & Rescue or Spotlighting Compatible with Powa Beam RC504 Quick Draw Remotes *Not designed for the RC500, RC210 & RC220. Here is the kit you will need for these remotes.Includes: 1x Rail & Hardware 1x Safety clip 1x Smartrest quick release with larger hole for Remotes like the Powa Beam RC504 that allows for extra wiring to power devices