Just for the heck of it: a photo comparison between the Strider SMF & the Spyderco Tuff, complete with measurements taken with a digital caliper.
Specs Strider SMF:
Length open: 22,7 cm
Length closed: 13,2 cm
Blade length: 9,8 cm
Actual edge length: 8,0 cm
Blade thickness: 4,79 mm
Steel: CPM-S30V stainless steel
Hardness: +/- 60 HRC
Handle material: Titanium & G-10 scale with integral backspacer
Locktype: titanium framelock without insert (titanium on hardened steel)
Stabilizer: Yes, a Hinderer lockbar stabilizer/over extender safety
Lockbar thickness: 4,0 mm
Length of the lockbar from lockface to cut-out: 6,0 cm
Thickness of the titanium lockbar at the cut-out: 0,99 mm
Weight: 177 grams
Specs Spyderco Tuff:
Length open: 22,5 cm
Length closed: 13,0 cm
Blade length: 9,5 cm
Actual edge length: 7,9 cm
Blade thickness: 3,99 mm
Steel: CPM-3V non-stainless tool steel
Hardness: +/- 60 HRC
Handle material: Titanium & G-10 scale on steel liner
Locktype: titanium framelock with hardened steel insert ( hardened steel on hardened steel)
Stabilizer: Yes, the hardened steel lockbar insert doubles as a stabilizer/over extender safety
Lockbar thickness: 3,45 mm
Length of the lockbar from lockface to cut-out: 3,4 cm
Thickness of the titanium lockbar at the cut-out: 1,35 mm
Weight: 178 grams