This is the Heavy Duty 8 FT spike for the Power-Pole Micro Anchor holding boats and kayaks up to 1500 pounds.  You can also be use without the micro spike driver. 

Features:

• Super strong solid composite core
• Works with Power-Pole Micro Spike Driver

Includes:

• Push grip comfort handle
• ¼ - 20 threaded insert at top
• 6 foot lanyard made of 3/8"; braided dock line with loop at each end
• 4.5" Push grip comfort handle