Hayn Lifeline Gate Eyes - Swivel Type - Single Product Type_Traveler Track End Stops The 16 mm is Harken’s

The 16 mm is Harken’s smallest block has a lightweight design and a unique patented bearing system that uses stainless steel balls in a captive

Commonly 57mm blocks are for jibsheets and spinnakers on small dinghies

Ronstan's 40mm plain bearing blocks are strong and compact

This lifeline fitting is used on a stanchion for adding lower lifelines without the need to drill holes for the cable passage

Hayn Lifeline Gate Eyes - Swivel Type - Single Product Type_Traveler Track End Stops The 16 mm is Harken’sLifeline Gate Eyes Swivel Type Single Investment Cast Eyes with Swiveling Swage Studs Type 316 stainless steel Electro polished