C46 Bob Lum

The C46 Bob Lum is a custom collaboration model with a tanto-style blade designed by Bob Lum. The C46 was introduced in 1998 with titanium handles. Later variations have G-10 handles. In 2004 the C46 was discontinued.

Appearance in catalogs

The C46 Bob Lum appeared in the following catalogs:

• 2000 Spyderco Products (C46TI)
• 2001 Spyderco Products (C46G, C46GBK)
• 2002 Spyderco Products (C46GBK)
• 2003 Spyderco Products (C46GBK)

Designer

Bob Lum

History, mentionings from the forums etc.

• Comment by Sal on the Spyderco forum: Lum folding Tanto switching to VG-10 steel.

Information from the Spyderco catalog on the web

Not listed.

Variations

The C46 Bob Lum is made in Seki-City, Japan and has

• Walker Liner Lock
• Tanto-style blade
• Hamaguri grind on tip (Also known as appleseed grind)

SKU	Handle	Edge(s)	Steel	From/To	MSRP	Note	Number made	Grind	Clip	Clip positions	Collectors club
C46TI	TI	PE, PS 60/40	ATS-55	1998-2000	?		N/A	Hollow	3- screw old standard clip	RH, TD/TU
C46G	Black G-10	PE, PS 60/40	ATS-55	2001	165.95$	satin finished blade	N/A	Hollow	3- screw old standard clip	RH, TU
C46GBK	Black G-10	PE, PS 60/40	ATS-55 black	2001-2002	174.95$	black blade	N/A	Hollow	3- screw old standard clip	RH, TU
C46GBK	Black G-10	PE, PS? 60/40	VG-10 black	2002-2003	?	black blade	N/A, less frequent than ATS-55	Hollow	3- screw old standard clip	RH, TU

Most collectible variation

The PE Ti. version seems to be the most coveted by collectors.

Questions regarding collecting the C46

Some interesting questions we are looking for an answer to:

Questions with an answer:

Technical information

Measurements (mm and grams) of the C46 Bob Lum:

Variation	Length overall	Length closed	Length blade	Length edge	Hole Ø	Blade thickness	Weight
C46	223mm	127mm	97mm	88mm	12mm	3mm	145g

Measurements (inches and ounces) of the C46 Bob Lum:

Variation	Length overall	Length closed	Length blade	Length edge	Hole Ø	Blade thickness	Weight
C46	8 3/4"	5"	3 13/16"	3 7/16"	15/32"	1/8"	5.1oz

Pictures

C46GP Bob Lum, opened, front side

C46GP Bob Lum, closed, clip side

See e.g. in the "Tribute to Bob Lum. Post pics of your Bob Lum knives" thread on the Spyderco forum.