Draper's Husky Spring Rollers are industrial strength with inertia/gravity driven locking mechanisms.

1-1/4" , 1-1/2" and 1-3/4" diameter units, are one piece, heavy gauge steel, roll formed, with rust resistant finish.
2-1/4" and 3" diameter units are heavy guage roll formed steel with galvanized finish
Entire lock/spring module is replaceable
Durable, predictable ball bearing locking mechanism (2-1/4" and 3" units utilize ratchet/pawl locking mechanism)
Industrial quality, drawn wire springs for a wide variety of applications
Rust resistant, heavy gauge steel roller tubes for minimum sag
Exclusive aluminum spring spindle to strengthen unit
Net pricing is available to qualified dealers/OEMs.
Volume discounts available by special quotation.
N-10 pulley perfect for "bottom-up" window shade applications.

Spline-in-Groove Fabric Attachment - Rollers provided with groove for spline attachment of fabric with conitinuous wire, or clips. Pre-tapping of tube for fabric attachment optional.

Replaceable Spring Mechanisms (1-1/4" , 1-1/2" and 1-3/4" only) Allows for easy repair onsite with common hand tools. Pull out old mechanism, slide in new. No fasteners required.

Cut Down

1-1/4" , 1-1/2" and 1-3/4" diameter rollers can be cut to size by removing idler plug, cutting tube to width and re-inserting idler plug
2-1/4" and 3" rollers may be ordered in exact custom widths at no extra charge

Kiln-Dried Hard Maple Slats
One piece, Indiana hard rock maple, 1-1/4" or 1-1/2"

Brackets
Brackets for 1¼”, 1½” and 1¾” rollers are bright finished, stamped steel.
Brackets for 2¼” and 3” rollers are cast aluminum.

N-10 Pulley and Bracket - For pulley/cord control of shades. Use with 1-notch rollers.

Locking pulley is quiet, self-lubricating and won't fray cord.
Bracket permits pulley removal from window without tools.