Haberdashery rings and D rings
Military Safety Slotted D-Ring (1-3/4) - Emdom USA Tactical Gear
Dring With Caps - Vật Tư Tàu Biển
3/4 Weld-On D-Ring with 9,000 Lb. Work Load Limit D-RING-WO-34 - Durabilt USA
3/4 Inch Forged D-Rings, Weld-On Bracket
Metal Distribution D Ring – Fiber Savvy
These D-rings are formed metal rings in the shape of a D. They are often used with metal straps to secure the D-ring to a surface. Once installed,
Everbilt 3/4 in. Brass D-Ring 811198 - The Home Depot
D Ring Heavy 140 - Rings - KONG
1' Inch Metal ''D'' Rings - Dritz D Rings
Pro Series Derby D Ring Puzzle Bit - Running Fox