Hinged Spiral Nails Stop Collar OMSC001

Utilizes two spiral locking pins which, when driven in firmly, lock the collar into position around the casing.

• Sizes less than 13 3/8” use 2 spiral locking nails.
• Sizes 13 3/8” and greater use 4 spiral locking nails.
• Holding force meets, or exceeds API specification 10D-2