Mobile Home Part Set of 8 Auger Anchors; 8' Frame Strap, & Bolts Set includes: 8 - 30" Double Disk Anchor, 3/4" Shaft, 30" Double, 4" Disk Earth Anchor With Double Fastening And Tensioning 8 8' Frame Strap with Frame Clamp. 8 - Mobile Home Anchor Bolt w/Nut Knurled bolt increases friction between strap and bolt shaft for greater strength than a smooth bolts. Slotted for use with strap. Designed To Be Augured Into Extremely Hard Soil Where 6" Anchors Will Not Suffice. Recommended For Soil Classes 2 & 3.