Surpass 2'' Ultra-Quiet Nylon Garage Door Rollers, 6200 Bearing and 7'' stem Rotate Quiet and Durable, Reuse More Than 100,000 Cycles (10 Pack) includes key switch

includes key switch

using this bracket to attach the garage door to the opener

Make sure to correctly determine your wire gauge

Torsion springs are designed to lift specific weights and should be replaced with springs of the same size and wire gauge

Building & Hardware Garage Door Cables for Torsion Spring Doors 7' Clopay

Surpass 2'' Ultra-Quiet Nylon Garage Door Rollers, 6200 Bearing and 7'' stem Rotate Quiet and Durable, Reuse More Than 100,000 Cycles (10 Pack) includes key switch6200 Bearing, Isolation of more than 99% dust, and running more than 100000 cycles The wheels of garage door rollers are made from Enhanced Nylon, Rotating quietly and smoothly is beyond your expectations. 3 years free replacement or refund no reason, do not worry about the after sales service The dimension of garage door roller can match the vast majority residential garage door Professional garage door opener and hardware producer over 20 years.