12cm yellow triangular triangle specifically designed for sea fishing ponds. Made of silicone material, it's less likely to snag, allowing for quick and accurate depth measurement. Depth measurement is now decided! Essential for sea fishing ponds! Will this guarantee a huge catch? First, you need to measure the depth of the bottom. Marushin Depth Measurement Triangle 12cm Accurate Depth Measurement for Sea Fishing Ponds New / Unopened - Size: Approximately 12cm in length - Material: Plastic - Size: 12cm - Color: Yellow - Application: Exclusively for sea fishing ponds - Features: Triangular shape, less likely to snag - Material: Silicone used Thank you for viewing.