Calslock™ Portable Door Lock
Calslock began from my shop in Hawaii in 1981 Keaau Hawaii 1985
Redesigned 2013-14 & 2017. Patents pending.
Corporate Travel Door Lock
Calslock™ Portable Door Lock
Open door, insert hook into door strike plate Close door Squeeze & slide snug to door.


Added security, privacy, with peace of mind, in your home, bedroom, hotel, motel, apt, dorm, travel, office, barricks
Designed & mfg. by a Locksmith since 1985 Commercial Grade - For doors opening inwards. Safe and secure, with peace of mind. Want to keep anyone from going outside, just slide on our Key Lock. Also works on doors that open to the outside


Calslock is 5Lx1Wx1H" Handcrafted Solid Brass with Hammered Black Notched bar.

For added security slide on
Chrome Key locking device
(works on doors opening in or to the outside) Includes 2 keys.





Calslock with Key Lock $49.95

Patented under the following numbers: 5,676,243, D302,280
4,976,124- 4,658,479- 4,612,685- .
with others pending
©1985-2020 C.E. Sanders
Calslock™ mfg.
Keaau Hawaii 1985 Thumbsquare Logo
Thumbsquare™

FL , Hawaii , CA


Select carton or case

Company Information
Calslock™ & Thumbsquare™
Began from my shop in Hawaii
1982-85 Redesigned 2011-14 -19
Locksmith and manufacturer of
Calslock Portable Door Lock,
Locksmith Tools, Keyholders
Thumbsquare Money Clips,
Desk Organizers, and high profile engravable gifts

Available at: Amazon - Ebay - Etsy - Corporate Travel Safety - Calslock Online - Sears


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