This is a clearance.

Alloy swivel bolt-snap hooks
Style :
SKU : CA04A-AB
Size (for width of webbings) : 1/4" (or 6.4mm)
Overall length : 1-9/16" (or 39mm)
Hook opening: 4mm (i.e. wide enough to hook on rings of 4mm in wire-diameter or thickness)
Color : Antique Brass
Quantity : 20 pcs