Ronstan Turnbuckle Body & Lock Nut, 5/16" Thread RF1480-05 knife They are based on the

They are based on the tried and tested Classic 12 series bulb lights

5mm (5/16")

No other boatbuilding text has simultaneously served the disparate needs of professional and amateur audiences so successfully

Lay your surface flat

Ronstan Turnbuckle Body & Lock Nut, 5/16" Thread RF1480-05 knife They are based on theUNF Rolled Threads FEATURES Sleek modern profile. Easy to adjust than conventional turnbuckles due to fine thread and single end adjustment. Threads are UNF (Unified National Fine), short pitch threads for fine adjustment and reduced adjustment effort. Easier to adjust than conventional turnbuckles due to single take up by turning the unique adjustment nut. Lock nut included to secure desired length. Site hole to indicate minimum terminal engagement.