Simple、 dynamic、 streamlined、 and user-friendly design; Made of alloy、 sturdy and good touch feeling; Durable steel spring allows you to have stable physical force for ideal performance; Equipped with high-quality silicon pad to protect your precious instrument; Excellent ergonomic design - you can use it with one hand and switch to other frets easily. Dimensions: 3.35 in x 2.95 in x 0.47 in (8.5 cm x 7.5 cm x 1.2 cm) Weight: 2.79 oz (79 g)