ALIEN 7" ARM SET - (4 PACK) * Backorder by ImpulseRC Save Liquid error (product-badge line 32): -Infinity% $39.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 7" Arm set for our Alien frame kit: Weight = 17.2g per arm 4mm carbon arms All Alien arm sizes are compatible with all Alien body kit sizes