This is the kalastus lure production studio. Product Name: LUONTO50RS (Studio Inventory Number: 02355-58) Size: 50 mm (body) Weight: 2.6 g Type: Sinking (Swimming condition with body only/when no hook): Sinking Color: Ayu (sweetfish) Material: Balsa This is for the body only. Swim tested and hand-tuned. Recommended hook size: Owner Cultiva ST-26#12~14, S-55m#10 Action (personal opinion): Tight rolling Our studio's products are handmade one by one. Please understand that there may be slight differences or inconsistencies. All products are consistently coated with cellulose cement. The finishing process involves spraying cellulose cement. Please understand this. All of our studio's creations undergo actual swim testing and eye adjustment in mountain streams. If the swimming action is unbalanced, please adjust the eye. Balsa 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")