Ronstan Series 19 Track Car w/ Saddle Top 51mm Ronstan Orbit Series 20 Ball Bearing Blocks 0 mm (4 1/8")

0 mm (4 1/8")

Extremely lightweight minimal design

Dinghy vangs

Includes Stand up spring to keep block vertical when not under load

Ronstan Series 19 Track Car w/ Saddle Top 51mm Ronstan Orbit Series 20 Ball Bearing Blocks 0 mm (4 1/8")Product Description Ronstan Series 19 Track Car w Saddle Top 51mm Features Length 2 in. M. W. L. 550 lb. B. L. 1430 lb. Weight 4. 1 oz. Product Information Strong, stainless steel bodies with flared sides and angled ball bearing wheels provide high load capacity and smooth operation. Applications Mainsheet and self tacking jib travelers on dinghies and catamarans Materials Black Chromed Grade 316 stainless steel car bodies Grade 316 stainless steel