Wedge-It — Hold virtually any door open at 90°

From the website:

Wedge-It™

It’s a deceptively simple 3-oz. chunk of practically indestructible Lexan plastic designed to hold virtually any door open at 90° — interior or exterior, oversize, special-purpose, even pivoting glass doors.

Place Wedge-It at the top of the door, on the floor or over a hinge pin — it fits all jamb-to-door spacings.

Originally designed for emergency services, it’s utterly dependable and just the ticket for contractors and builders.

2-1/2"W x 3-1/2"L x 2-1/8"H.

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$12.50.