Welcome to our store！</br> 1、The 10mm/0.4in iron core needs to go through the center hole of the paddle and be fixed. 2、Easy to install, no drilling, no need to install screws and nuts. 3、It can be glued to the desired position and provide a firm grip and storage space for paddle/oar. 4、Fixed oar to provide a fixed support for the oar during rowing. Universal is suitable for almost all paddles. 5、Great accessory for inflatable boats, kayaks, canoes, rafts and dinghy, etc. <p class="wang-edit-text">Item Type: Oar Lock Patch Material: PVC Color: As Pictures Shown Product Size: Approx. 20.3x9cm/8x3.5in Iron Core Size: Approx. 10mm/0.4in Weight: Approx. 415g/14.6oz <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Oar Lock Patch&nbsp;&nbsp;&nbsp; Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>