When you need a carabiner that stays put

Bartlett Key Lanyard

The Petzl Grillon is a great mechanical adjuster that can be adjusted under tension

Cast Body Construction

and requires a smaller hole and shorter bolt

MILWAUKEE® Intrinsically Safe Spot/Flood Headlamp Stick saw When you need a carabinerMILWAUKEE Intrinsically Safe C I, II, III D 1 Spot Flood Headlamp Designed for hazardous environments, MILWAUKEE Intrinsically Safe Spot Flood Headlamp offers greater visibility, higher output, and no compromise to size or safety. Rated for Classes I, II, and III, Division 1, with 310 Lumens and a 100 meter beam distance. Lightweight and compact for optimal performance. Includes intrinsically safe logos for easy identification. Powered by 3 AAA