Extension Springs

No Optional Yes

Black Bronze Chrome Red White

8 FEET 9 FEET 10 FEET 11 FEET 12 FEET 13 FEET 14 FEET 15 FEET 16 FEET 17 FEET 18 FEET 19 FEET 20 FEET 21 FEET 22 FEET 23 FEET 24 FEET 25 FEET 26 FEET 27 FEET 28 FEET 29 FEET 30 FEET 31 FEET 32 FEET 33 FEET 34 FEET 35 FEET

Belt Chain

E-Coated Galvanized

20.0 22.0 23.0 24.0 25.0 26.0 27.0 28.0 28.5 29.0 30.0 31.0 32.0 33.0 33.5 34.0 35.0 36.0 37.0 38.0 39.0 40.0 41.0 42.0 44.0 48.0 49.0

Almond Antique Brass Beige Black Bronze Chrome Gold Grey Silver White

3-1/2" 3-15/16" 4-7/8" 4-15/16" 5-1/2" 5-27/64" 6-1/2" 6-1/4" 6-3/8" 6-5/8" 6-11/16" 7-11/64" 7-15/16" 8-1/2" 8-11/16" 9-1/2" 9-5/8" 9-7/8" 10-5/8" 11-15/16"

1-1/4 HP 1/2 HP 3/4 HP

1.75 2.0 2.625 3.375 3.5 3.75

8' 9' 16' 18'

Aluminum Black Brass Chrome Gold Silver White

1-1/8 in 3-11/16 in 3-15/16 in 5-1/4 in 6-1/4 in 6-5/8 in 8 in 9-5/8 in 9-7/8 in 9-15/16 in 10 in 11 in 12 in

Chamberlain Guardian LiftMaster

Bolts & Screws Bottom Bracket Bottom Seal Rail Bushing Cable Drums Chain Hoist Extension Cables Extension Split Plate Extension Spring Open-Eye Bolt Extension Spring S Hook Flag Bracket Garage Spring Spreader Tool Installation Kit Jamb Bracket Joint Angle Iron Lubricant Opener Accessories Operator Bracket Pulleys Rollers Side Brackets Slide Lock Stationary Cones Steel Bearing Steel Hinge Support Strut Top Fixture Torsion Spring Repair Blocks Tracks Tube Shaft Warranty Cards Weather Strip Winding Bars Wire Measuring Tool Work Gloves

7' 8'

Rails

Chamberlain LiftMaster Universal

Mirror Closet Doors Sliding Glass Doors Sliding Screen Doors

Aluminum Stainless Steel Steel

1" 1-1/2" 1-1/4" 1-1/8" 1-5/8" 1-7/16" 1-11/16" 1-13/16" 1/4" 2-1/8" 3" 15/16"

Nylon Precision Bearing Stainless Steel Steel

Left Wound Right Wound

1-1/2" Wheel 1-1/4" Wheel 1/2"(12mm) A-Type 8 ft. (2.44M) Long - 1 Piece 1/2"(12mm) A-Type 22.5" (57.2cm) Long - 4 Pieces 1/2"(12mm) Bottom Sweep 40" (101.6cm) Long - 1 Piece 1/2"(12mm) H-Type 8 ft. (2.44M) Long - 1 Pieces 1/2"(12mm) H-Type 22.5" (57.2cm) Long - 4 Pieces 1/4"(6mm) A-Type 8 ft. (2.44M) Long - 1 Piece 1/4"(6mm) A-Type 22.5" (57.2cm) Long - 4 Pieces 1/4"(6mm) Bottom Sweep 40" (101.6cm) Long - 1 Piece 1/4"(6mm) H-Type 8 ft. (2.44M) Long - 1 Piece 1/4"(6mm) H-Type 22.5" (57.2cm) Long - 4 Pieces 3/8"(10mm) A-Type 8 ft. (2.44M) Long - 1 Piece 3/8"(10mm) A-Type 22.5" (57.2cm) Long - 4 Pieces 3/8"(10mm) Bottom Sweep 40" (101.6cm) Long - 1 Piece 3/8"(10mm) H-Type 8 ft. (2.44M) Long - 1 Piece 3/8"(10mm) H-Type 22.5" (57.2cm) Long - 4 Pieces

Dual Single

1-1/2" Wheel Size 1-1/4" Wheel Size

0.192 0.207 0.218 0.225 0.234 0.243 0.25 0.262 0.273 0.283 0.289 0.295 0.306 0.312 0.319 0.331 0.343 0.362 0.375 0.406