Safe Draw length: 31.5. Fit for both left and right handed shooters. Draw weight: 30/35/40/45/50 lb. 30lbs bowstring length: 122 cm / 48.07. 35lbs bowstring length: 120 cm / 47.28. 40lbs bowstring length: 136 cm / 53.58. 45lbs bowstring length: 134 cm / 52.80. 50lbs bowstring length: 126 cm / 49.64. 30lbs bow length: 124 cm / 48.82. 35lbs bow length: 122 cm / 48.03. 40lbs bow length: 138 cm / 54.33. 45lbs bow length: 135 cm / 53.15. This is not a toy, please do not shoot at people. Please do not against concrete wall or any hard substance, like wood rock or brick. This may hurt yourself or damage the arrows. We would get the problem resoved and guarantee your benifits. From Monday to Saturday. Beijing time 8:30–18:00. We would reply to you immediately.