Parts (for 1 fin NOT a set)
Shackle (2)
Screw (2)
Spring (1)
Vinyl Tubing (1)
Rope Retainer (1)
Shackle: Stainless 3/16" (Home Depot $3.75 each)
Screw: Stainless 10-32 x 3/4" (Home Depot $0.77 for a 4 pack) Vinyl Tubing: 3/4"OD x 5/8"ID x 11" length
Spring:
"W.B. Jones Spring Co Inc.
140 South Street
Wilder, KY 41071
Phone 859-581-7600
FAX 859-581-7700
P/N ST641"
McMaster Carr
Spring Part Number: 3932K54 for a Long Type 302 SS Extension Spring 11" length, 1/2" diameter OD, .062" wire diameter. $4.42 each. Shackle Part Number: 35355T13 for a Type 316 SS Cast Anchor Shackle with screw pin,3/16" cost $3.00 each.
http://www.scubaboard.com/showthrea...y=&pagenumber=2
http://www.atlanticunderwater.com/equipment/springstraps.shtml#materials
http://www.mcmaster.com/
http://www3.sympatico.ca/chatterton/springstraps.html
http://www.scubaboard.com/showthread.php?t=39227&page=3&pp=10&highlight=shac