McMaster 90685A080 High-Strength Steel Hex Nut, ISO Class 10, M36 × 4 mm Thread, DIN 934 4ZK70 Flashlight Grade Industrial Lighting Technology

Flashlight Grade Industrial Lighting Technology LED Lumens Range 450 to 750 Flashlight Body Material Plastic Flashlight Battery Type Lithium-Ion Rechargeable Yes Run Time on High Setting 2

They also have built-in fixed front rings to run the positioning lanyard through and provide the restraint and positioning needed

Material Fiberglass

Grate Material Stainless Steel

Also known as bow shackles

McMaster 90685A080 High-Strength Steel Hex Nut, ISO Class 10, M36 × 4 mm Thread, DIN 934 4ZK70 Flashlight Grade Industrial Lighting TechnologyHigh strength ISO Class 10 steel metric hex nut meeting DIN 934. Hex Nut Profile Standard Material Steel Thread Size M36 4 mm Width 55 mm Height 29 mm Fastener Strength Grade Class Class 10 Specifications Met DIN 934 Drive Style External Hex Nut Type Hex System of Measurement Metric Thread Direction Right Hand Thread Fit Metric Class 6H Thread Spacing Coarse Thread Type Metric Country of Origin China, Germany, Taiwan