Miller "Rocker" Manual Descender Rope Lock - Rope Diameter 10 to 12mm. Available in Black or Purple. - LiftingSafety
Honeywell Miller Rocker Purple Rope Lock | Miller by Honeywell | Safety Harnesses, Kits and Accessories | Arco
SAR Rocker Rope Access Back Up Device
Rope Soloing Devices part 3 - by Andy Kirkpatrick
ISC Rocker Back Up Rope Grab for 7/16" and Some 1/2" Rope
Grabs and Adjusters
kemengsuer Climbing Rope Grab, Self-BrakingStop Climbing Descender, Safety Rock Climbing Tree Fall Protection Equipment for Outdoor Work : Amazon.co.uk: Sports & Outdoors
Sar Rocker Rope Lock Back-Up Device Only £78.69 excl vat From Safety Gear Store Ltd