SZHOWORLD&reg; 2PCS EDC Para-Biner Pulley System Carabiner Paracord Carabiner Multifunction Survival Tool Processing craft: Die stamping + later CNC Wire cutting Thickness: 7 mm, Length: 90 mm , Width: 38 mm Include wrench openings 15/16", 9/16", 1/2", 7/16", 3/8", 5/16", 1/4" (bit driver) This carabiner multifunction tool with wrench, 1/4 adapter, large slotted screwdriver, bottle opener, etc. Fits all paracord-550-750-850, smoothe roller pully for mechanical advantage