Spring Steel Beam Clamps - Hammer On 1/8" - 1/4"? Flange - Durable and versatile Spring Steel Beam Clamps.Spring Steel Beam Clamps - Hammer On 1/8" ?- 1/4"? Flange features include: Hammer On Spring steel beam clamps can be used to suspend boxes, fixtures amp; bridle rings to beam flanges 1/8 to 1/4 thick Ultimate Static Load Limit: - 75 or 100 lbs. (75 lbs Front 100 lbs Rear) NOTE: Static load limits cannot be combined Bottom amp; Back tapped 1/4"-20 Order Qty of 1 = 1 Piece cULus Listed Below is more info on our Spring Steel Beam Clamps - Hammer On 1/8" - 1/4"? Flange