Sight Cast Ceramic Bobbin Holes for bottles are 20mm

Holes for bottles are 20mm and hole for torch is 30mm

They are consumable though

When stalking fish from the bank

in fact the thing you will need to get used to the most is the reduced false casts for throwing a full line

After undertaking such a mammoth effort

Sight Cast Ceramic Bobbin Holes for bottles are 20mmWith the dual ceramic funnel inserts to protect your thread from rubbing and touching the edge of the bobbin tube., you can tie with confidence that your thread wont break. The tube length is long enough to handle any saltwater pattern youre whipping up, yet short enough to maintain good thread control. Size: 4. 5 Dual Ceramic Inserts No Slip Grip Handle Surgical Grade Stainless Steel