[Upgrade universal wheel climbing model] Piano Black medium 50# thickened with cover | 4 round black [Aluminum alloy tie rod feed strap three adjustment] more light | [Upgraded four-wheel model] Black medium 50# thickened with cover | 4 rounds of mint green [Aluminum alloy rod feeding strap three adjustment] more lightweight | [Upgraded four-wheel model] Mint Green Large 80# thickened with lid | 4 rounds of Nordic grey [aluminum alloy tie rod strap three adjustment] more light | [Upgraded four-wheel model] Piano Black Large 80# thickened with cover | [Upgraded universal four-wheel model] Mint Green Big 80# thickened with cover | [Upgraded eight-round climbing model] Piano Black Medium 50# thickened with cover | [Upgrade eight wheel climbing model] Grey large 80# thickened with cover | [Upgraded Universal four-wheel model] Piano Black Large 80# thickened with cover | [Upgraded four-wheel model] Mint Green Medium 50# thickened with cover | Upgraded four wheels - straight pull medium | [Upgraded eight-round climbing model] Piano Black Large 80# thickened with cover | [Upgraded eight-round climbing model] Grey medium 50# thickened with cover | [Upgraded four-wheel model] Grey large 80# thickened with cover | [Upgraded universal four-wheel model] Grey large 80# thickened with cover | [Upgraded universal four-wheel model] Yellow gray large 80# thickened with cover | [Upgrade universal wheel climbing model] Grey medium 50# thickened with cover | [Upgrade eight-round climbing model] Green medium 50# thickened with cover | [Upgrade eight wheel climbing model] Yellow gray large 80# thickened with cover | [Upgrade universal wheel climbing model] Green medium 50# thickened with cover | [Upgraded four-wheel model] Grey medium 50# thickened with cover | [Upgraded four-wheel model] Yellow Gray large 80# thickened with cover | 【 Upgrade eight round climbing model 】 Mint Green large 80# thickened with cover