Rock-shell plate

A sturdy body armour made from rock crab pieces. Rock-shell plate is a members-only item traded on the Old School RuneScape Grand Exchange.

Priced at 38,268 gp, Rock-shell plate is an affordable item suitable for players building their cash stack.

Rock-shell plate has very low trading volume (1 recent trades), which means wider spreads and slower fills. The buy limit of 70 every 4 hours is worth planning around when scaling flips. At the current margin, flipping the full buy limit yields up to 105,840 gp profit every 4 hours.

Rock-shell plate currently has a positive margin of 1,512 gp after the GE tax, resulting in an ROI of 4.0%. With a flip rating of 9/10, this item ranks in the top tier of profitable flips right now — strong margin combined with sufficient volume to trade reliably.

High alching Rock-shell plate yields a profit of 633 gp per cast (before nature rune cost). At ~1,200 casts per hour, that's up to 759.6k/hr in passive income while training Magic. This item is profitable both as a flip and as an alch target, giving you two exit strategies.

Use the flip calculator above to estimate your profit based on quantity. Compare alch profits across all items on the High Alch Calculator. Set a price alert to get notified when the margin changes, or add this item to your watchlist for quick access.