Prime-Line GD 12227 Torsion Spring, 1-3/4 in ID, 2 in OD, 20 in OAL, Carbon Steel, Plain Fastening This unit features green-beam technology

This unit features green-beam technology

Replacement parts including Sku No 680

Every Kreg® Drill Guide features a hardened-steel core that carries a lifetime assurance

allowing for a great viewing angle anywhere in your room

Cuts internal threads in pipes

Prime-Line GD 12227 Torsion Spring, 1-3/4 in ID, 2 in OD, 20 in OAL, Carbon Steel, Plain Fastening This unit features green-beam technologyMost doors, in recent years, have been supplied with torsion springs that is located directly above the door and mounted to the header. Replacement will require the use of 2 winding rods (GD 52238) and a clear understanding of wire size and handing.