Swivel bolt snaps, silver or brass, width 18mm, pack of 10 Swivel bolt snaps, silver or brass, width 18mm, pack of 10 Swivel bolt snaps, silver, brass or black silver 10 pcs - 18mm Swivel bolt snaps, silver, brass or black metal 10 pcs - 18mm £3.60 colour swivel hook: [Choose]silverantique brassBlack Metal Quantity: at £3.60 each Add To Basket 20 in stock. Solid swivel snap hooks with a sprung lever clip. Inexpensive and effective hooks for attaching fabric or leather mini straps handles. Use these hooks for key rings or more delicate straps. Pack of 10, choose from silver or brass.