Radial rib sockets for greater strength.
Vintage Snap Fasteners Scovill Clinton Gripper Size 16 Silver 7/16
Scovill Snap Button FOR SALE! - PicClick
Vintage Scovill Snap-Setter Button Sewing Tool And Vintage Sewing Awl
Scovill Snap Snaps
VTG Snap Button Fasteners Scovill Clinton Colonial 1776 Heritage Collection 9/16
I have listed these as used but I don’t believe they were ever used but they are from the 1960s. They are made in the USA in Oakville, Connecticut.
Vintage 1960’s Scovill Sew-On Snaps: Unused
Vintage Scovill Snap-Setter Button Sewing Tool And Vintage Sewing Awl
Vintage Scovill Buttons,Snaps & Beads For Dolls
Snap Fastener Kit,Metal Snaps Buttons with Fixing Tools, 4 Color Clothing Snaps Kit for Clothing, Leather, Jacket, Jeans Wear, Bags, Bracelet : Arts, Crafts & Sewing