Part number:1483CWM427R9F810W Item Weight:140 g Product Dimensions:10 x 10 x 0.2 cm; 140 Grams Batteries included?:No Batteries Required?:No Description: This item is made of high quality material for durable and practical use. With 10 cm diameter and 300 mm focal length, this glass lens offers high performance. It is a perfect accessory for laboratory experiments. Features: Colour: as depicted. Material: glass. Diameter: 10 cm. Focal length: 300 mm. Made of glass, easy to clean. Bevelled, grounded edges. Double convex. Perfect for laboratory use. Contents: 1 x double convex glass lens, 10 cm diameter, 300 mm focal length, for laboratories. This item is made of high quality material for durable and practical use. With 10 cm diameter and 300 mm focal length, this glass lens offers high performance. It is a perfect accessory for laboratory experiments. Made of glass, easy to clean. Bevelled, grounded edges. Perfect for the lab and experiments. Contents: 1 x convex lens. This item is made of high quality material for durable and practical use. With 10 cm diameter and 300 mm focal length, this glass lens offers high performance. It is a perfect accessory for laboratory experiments. Made of glass, easy to clean. Bevelled, grounded edges. Perfect for the lab and experiments. Contents: 1 x convex lens.