【Premium Materials】The T-square is made of premium stainless steel, sturdy, corrosion-resistant, durable, not easy to fade, ensuring a long-lasting tool for your archery setup. 【Precision Scale】The brass buckle and arrow nock pliers can help lock the position of the string nock point, enable accurate bow setup and brace height measurement, enhancing your shooting performance. 【Easy to Use】The T-square can be fixed on the string above and below the nock point, with two measurement units, and the markings are clear and easy to read, which is convenient to use. 【Wide Applicatons】 Suitable for compound and recurve bows, making it a versatile and essential tool for archers of all levels. Please determine the size and archery accessories of the T-Shaped Bow Square Ruler before purchasing, 【Service】If there is any problem, please contact us and we will solve the problem for you within 24 hours., Manufacturer: JOYOLA