Description: Plastic Compound Bow Arrow String Level Combo Kit for Archery Hunting  Specifications: Material: Plastic Color: Yellow Bow Size: 6.2cm x 2.6cm x 1.5cm \/ 2.4'' x 1'' x 0.6'' Arrow String Level Size: 6.5cm x 3.3cm x 2.4cm \/ 2.6'' x 1.3'' x 0.9''   Features: 1.Durable in use. 2.Get the perfect nock position every time. 3.These are a must tool if you do your own bow work. 4.Arrow level takes guess work out of nock positioning. 5.light weight、 makes it easy to level your arrow and to set your nok point. 6.Place arrow on rest、 snap arrow on string、 and move arrow up or down until level. 7.String level checks vertical and horizontal position of bow for nock and sight installation.    Package Included:   1pc x Bow and Arrow String Level Combo