Manufacturer part #: 1603NP.
Springs support blocks on padeyes, eyestraps, bases, and traveler cars, and prevent blocks from hitting the deck.
Springs support blocks on padeyes, eyestraps, bases, and traveler cars, and prevent blocks from hitting the deck.
Technical Description

35 mm Spring
0.74 oz
21 g
2 1/2 in
64 mm
1 3/8 in
35 mm