SL3® Snail Lock Adapter (M14 Version) 
Gauge Blocks, Pair, Replacement
$21.95 – $45.95
Used with the Seam Phantom to set the proper offset distance before clamping the Guide. Supplied as a pair with all Seam Phantom® packages
- Silver aluminum version for all Original Seam Phantoms® and the Glide Guide
- Red plastic version for Seam Phantom® 2.0 and the Ultra Guide
