This is the Kalastus Lure Production Studio. Product Name: LUONTO37S Sinking (Studio Inventory Number: 02351-35) Size: 37 mm (body) Weight: 2.3 g Type: Sinking (Swimming condition with body only / when no hook): Sinking Color: Metallic Blue / Orange Material: Balsa This is a sale of the body only. Swim tested and hand-tuned. Recommended hook size: hand-tuned, swim tested. Recommended hook size: Owner Cultiva ST-26 #14, S-55m #10 Action (personal opinion): Tight wobbling, rolling Our studio's products are handmade one by one. Please understand that there may be slight variations or inconsistencies. We consistently use cellulose cement coating throughout. The finish involves a cellulose cement spraying process, please understand this. All of our studio's creations undergo swim testing and eye adjustment in mountain streams. If the swimming action is unbalanced, please adjust the eye. Balsa wood products may break if subjected to strong impact. As these are handmade products, there may be variations in precision and performance. We cannot accept complaints based on the above reasons. Thank you for viewing. kalastus lure production studio kalastus (Finnish for "fishing")