The Gear Keeper Large Locking Flashlight Retractor is Quality at its best! This Retractor features: GEAR KEEPER Quality Product! Retracts any flashlight (Up to 8D Cell & Cameras) under water; locks on land Nylon Line w/ Kevlar Core Stainless Steel Spring and Hardware 42 Extension length 12 oz. Retraction Force 80 lbs. Breaking Strength Locking Mechanism Snap Clip Attaches to D-ring Quick Connect (Q/C-II) Quickly and easily disconnect flashlight from Gear Keeper Included Accessory: Q/C-II Lanyard (AC0-0912) Q/C-II Split Ring (AC0-0916) The ideal solution for those heavy SCUBA flashlights and Cameras - The locking mechanism allows the flashlight or camera to be secured when on a boat or land. Unlock the unit in the water and the nominal retraction force Gear Keeper will retract the light or Camera (which is somewhat buoyant). You're streamlined, won't snag and it's right where you need it. When using your flashlight or Camera underwater, you won't notice any resistance or retraction force. "