Features: Max. clamping distance is 60mm. Can be fixed on a desktop, benches, car window, guardrail, circular tube, tripod legs, skateboard, etc. Help you take photos or record video clips from place to place conveniently. Made of aluminum alloy, adopting CNC precision machining and surface anodizing treatment, which makes it exquisite in appearance and smooth in operation. The adjustment handle allows the clamp to slide gently and safely locked. Won't fall from the nipped position easily after being mounted. Rubber pad on the clamp can protect your device well. Max. load capacity is 4kg. UNC 1/4 inch screws (4pcs) are compatible with most ball heads, phone holders, digital cameras, action cameras, smartphone, LED video lights, microphones, etc. 1/4 inch screw hole (1pc) makes the C-shaped clamp be mounted on most tripods or some light stands. Net weight of the clamp is only 246g. Min. length is only 11.7cm. Very lightweight and portable. Comes with a 10cm long extension bar to gives your shooting devices wider frame and desired shooting height. Specifications: Brand: Andoer Model: MFC-60 Material: Aluminum alloy Max. Load Capacity: 4kg / 8.8lbs Screw Mount of Clamp: UNC 1/4 inch Screw Hole of Clamp: 1/4 inch Max. Height: 17.6cm Min. Height: 11.7cm Max. Clamping Distance: 60mm Clamp Weight: 246g / 8.7oz --------------------------------------------- --Extension Bar Length: 10cm / 3.9 inch Screw Mount: 1/4 inch and 3/8 inch Screw Hole: 1/4 inch and 3/8 inch Extension Bar Weight: 44g / 1.6oz --------------------------------------------- Package Size: 12.1 * 10.2 * 6cm / 4.8 * 4 * 2.4 inch Package Weight: 290g / 10.2oz Package List: 1 * Andoer MFC-60 C-shaped Clamp 1 * Extension Bar 1 * Hex Wrench