1、Suitable for all digital DSLR camera, camcorder, DV,HDV, HD camera. 2、Flexible gear drive belt, better adjustment offocal distance, each fixed point is extremely accurate, suitable for any diameter 46mm-110mm lens. 3、Gear module up to the film industry standard 0.8, strong practical function, easy to adjust, fast locking. 4、Small size and lightweight, easy to carry and store, convenient to use. 5、Made of high quality plastic and rubber material, sturdy, durable and long service life. 1 x Focusing Handle Lever with Gear Ring Condition: 100% Brand NewItem Type: Focusing Handle LeverModel: B TypeMaterial: Plastic +  Rubber Optional Color: Black, Gray, BlueQuantity: 1PCSGear Module: Film Industry Standard 0.8Weight: Approx. 29gLever Length: Approx. 60mm/ 2.36inch