The Arrow AR Keyway-1 1/8″ Rim Cylinder in US3 (Bright Brass), from GMS is crafted from solid brass and fits 5 pin AR1 and 6 pin AR4 keys.This cylinder is specifically designed to meet the exact pinning specifications of original Arrow systems. Each cylinder comes with 2 keys. This cylinder features a 6-pin core and comes keyed to the 5-pin, AR1 key.

• Comes with 2 keys
• Keyed in pairs
• Tailpiece converts between horizontal & vertical positions.
• Cylinders use Arrow pins and the same spacing depth as Arrow.
• Comes drilled for 6-pin (AR4), keyed for 5-pin (AR1).