The springs are manufactured from a single strand of Type 17-7 PH stainless-steel flat wire formed in a continuous precise coil with uniform diameters and waves. Sizes to fit hole diameters from 0.375 to 1.25 in. (9.52 to 31.75 mm) meet load requirement from 4 to 30 lb (1.8 to 13.6 kg).
Lee Spring,
1462 62nd St., Brooklyn, NY 11219,
(888) 777-4647,
leespring.com