Here are photos of my marlin spikes and other rope tools.   
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Marlin Spikes and Other Rope Tools
4" Thin Marlin Spike (Smooth)
Created by MFEngineering on Etsy
4 in x 6mm, G5 Titanium
8" Marlin Spike (Smooth)
Created by MFEngineering on Etsy
8 in x 14mm, G5 Titanium
Complete set of Marlin Spikes
Created by MFEngineering on Etsy
Assorted, G5 Titanium
Designed by me
Created by OwllyEdc on Etsy
8 in, 304 Stainless
Small Marlin Spike
Made by Me
Modified Surgical Probe
Marlin/Defense Spike
Made by Jennbug Crafts on Etsy
Hardened Tool Steel
Marlin Spike (Ltd Run)
Made by Tridentis Tactical
5.75", Stainless Steel
Light Spike SG
Made by Asano
12", Special Stainless
Small Marlin Spike
Made by Me
Modified Surgical Probe
5" Marlin Spike (Grooved)
Created by MFEngineering on Etsy
5 in x 10mm, G5 Titanium
5" Marlin Spike (Smooth)
Created by MFEngineering on Etsy
5 in x 10mm, G5 Titanium
Designed by me
Created by OwllyEdc on Etsy
6 in, 304 Stainless
5" Marlin Spike (Smooth)
Created by MFEngineering on Etsy
4 in x 10mm, G5 Titanium
5" Marlin Spike (Smooth)
Created by MFEngineering on Etsy
6 in x 12mm, G5 Titanium
Designed by me
Created by OwllyEdc on Etsy
8 in, 304 Stainless
Type III Paracord Fids
Aluminum, Various Makers
3.5", 550 Paracord
Designed by me
Created by OwllyEdc on Etsy
6.5 in, 304 Stainless
Type III Paracord Fids
Stainless Steel, Various Makers
3.5", 5", Round & Flat, 550 Paracord
Designed by me
Created by OwllyEdc on Etsy
7 in, 304 Stainless
Marlin Spike
Made by Me
Modified Alignment Tool
Small Marlin Spike
Made by Me
Modified Alignment Tool
Marlin Spike
Made by Me
Modified Alignment Tool
Small Marlin Spike
Made by Me
Modified Alignment Tool
Marlin Spike
Made by Me
Modified Alignment Tool
Marlin Spike
Made by Me
Modified Alignment Tool
Large Marlin Spike
Made by Me
Modified Alignment Tool
Marlin Spike
Made by Me
Modified Alignment Tool
Marlin Spike
Made by Me
Modified Alignment Tool
Marlin Spike
Made by Me
Maple Hardwood
Rope Tool
Made by Me
Modified Screwdriver Blade
Spike Tool
Made by Me
Modified Screwdriver Blade
Rope Tool
Made by Me
Modified Screwdriver Blade
Rope Tool
Made by Me
Modified Screwdriver Blade
Rope Tool
Made by Me
Modified Screwdriver Blade
Rope Tool
Made by Me
Modified Screwdriver Blade
Spike Tool
Made by Me
Modified Screwdriver Blade
Spike Tool
Made by Me
Modified Screwdriver Blade
Rope Tool
Made by Me
Modified Screwdriver Blade
Spike Tool
Made by Me
Modified Screwdriver Blade
Rope Tool
Made by Me
Modified Screwdriver Blade
Rope Tool
Made by Me
Modified Screwdriver Blade
Spike Tool
Made by Me
Modified Drift Punch
Spike Tool
Made by Me
Modified Drift Punch
Spike Tool
Made by Me
Modified Drift Punch
Type III Paracord Fids
Stainless Steel, Various Makers
5" & 3.5", 550 Paracord
Type II Paracord Fids
Aluminum, Stainless Steel
5", 3.5", Mid Fids
Type I Paracord Fids
Stainless Steel
3.5", 3.0", Micro Fids
Misc Fids, Tools
6mm Stainless Fids, Stainless Tool
Titanium Tool
Large Needles
Titanium Toothpics
Brass Fids
Wooden Marlin Spike
Created by Mafis Woods on Etsy
8 in, IPE Wood
Wooden Marlin Spike
Created by Jig Pro Shop
5 in, Rosewood
Paracord Tool
Besportble on Amazon
7 in, Aluminum
Vintage Marlin Spike
Made by Kabar
6.5 in, Stainless
Custom Marlin Spike
Made by Jennbug Crafts on Etsy
4.5 in, Stainless
Sailmakers Needle
Heavy Duty on Etsy
5 in, Titanium
Short Marlin Spike
Created by TiSurvival on Etsy
4 in, Titanium
Hornet Marlin Spike
Created by MIG Shed in Australia
6 in, 316 Stainless
Designed by me
Created by OwllyEdc on Etsy
6 in, 316 Stainless
Ice Pick, Designed by Me
Created by Owlly EDC on Etsy
10 in, 304 Stainless
Designed by me
Created by OwllyEdc on Etsy
6 in. x 12mm, 316 Stainless
Designed by me
Created by OwllyEdc on Etsy
6.5 in. x 12mm, 304 Stainless
Designed by me
Created by OwllyEdc on Etsy
6 in. x 12mm, 316 Stainless
Designed by me
Created by OwllyEdc on Etsy
6 in. x 12mm, 316 Stainless
Made by MartinHybler on Etsy
7.6 in. x 12mm, G5 Titanium
Made by ManCaveEdc on Etsy
4 in. x 8mm Titanium
Purchased on Ebay
9.25 in. x 10mm ASR Titanium
Ice Pick/Self Defense Spike
Made by Butterfield Machine
6 in. x 12mm Titanium
Made by Butterfield Machine
6 in. x 12mm Bronze
Made by KMPM Edc Ttactical
7 in. x 7/16 in. Titanium
Made by KMPM Edc Ttactical
7 in. x 7/16 in. Stainless Steel
Jig Pro Shop Paracord Fid/Tool
6 in. Stainless Steel
Bored Paracord Fid/Tool
7 in. Aluminum
Awesome For Sale
6 in. x 14mm Stainless Steel
My very first spike
7 in. x 10mm Stainless Steel
Part of Knife/Tool set
Made by TiSurvival on Etsy
6 in. x 8mm Titanium
Made by TiSurvival on Etsy
6 in. x 6mm Titanium
Various Titanium
Plain and Flame Iodized
Made by Hammsnut on Ebay
6 in. x 14mm
Hardened Steel
Myerchin
Stainless Steel
West Marine
Spike/Shackle Key
Stainless Steel
Ebay
Wichard Rope Tool
Stainless Steel
West Marine
Point Hudson Splicing Fids
Stainless Steel
Small & Large
Various Rope Splicing Fids
Stainless Steel/Nylon
Small
Made by Spinnado on Etsy
5.5" x 14mm Stainless Steel
Wrapped Tool Handle
Thin Spike
3mm Braided Cotton
Samson Splicing Fids
Aluminum
3/8 in. 5/16 in. 1/4 in.
Modified Tools
Screwdrivers -> Spikes
Splicing Fids
Made From Knitting Needles
Aluminum
Wrapped Tool Handle
Modified Dental Tool
Rubber Splicing Tape
Modified Screwdrivers
Turned Into Rope Tools
Modified Screwdrivers
Turned Into Rope Tools
More Titanium Spikes
5 & 6mm diameter
Ebay
Samson Splicing Fids
From Kit, Now Spikes
Aluminum
More Converted Screwdrivers