Passive rock protection with three-point contact, wired stoppers are the classic solution for bottlenecks, shallow seams, and tapering cracks.
- 7075 aluminum alloy is durable yet has plenty of bite to stay put
- Transverse taper increases surface-area contact to provide best placements in nonparallel cracks
- Rounded corners allow easy removal
- Anodized (colored) by size for quick identification
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