20 pack rose gold bulldog clips with push pins metal clips for cork boards crafts and office documents 1.2 inch

Bolt-lock spring mechanism: Dual-end bolted design with 304 stainless steel springs prevents spring detachment and ensures consistent grip strength through repeated use.nnExpanded clamping range: Secures materials from 0.1 to 35mm thick, from thin receipts to thick document stacks, with slip-resistant tempered steel springs.nnMulti-functional hanging: Features a 3.5mm top hole for easy display on corkboards, doors, or bulletin boards using standard pushpins.nnDurable finish: Iron base with triple-layer zinc plating resists corrosion, protects documents from metal marks, and preserves spring elasticity.