All knife makers are located in Czech Republic. I can provide more detailed info about their work for request in message 
1)
Blade lenght: 3.93"
Blade thickness: .14"
Overall Length: 8.25"
handle material: Alder wood +g10
sheath material: full grain leather
Hardness HRC: 60
steel: D2
weight: 160g
Price: 125USD Shipped
2)
Blade lenght: 3.93"
Blade thickness: .145"
Overall Length: 8.25"
handle material: Alder wood +g10
sheath material: full grain leather
Hardness HRC: 60
steel: DF2
weight: 149g
Price: 125USD Shipped
3)
Blade lenght: 3.15"
Blade thickness: .118"
Overall Length: 6.5"
handle material: Oak
sheath material: full grain leather
Hardness HRC: 60
steel: D2
weight: 104g
Price: 110USD Shipped
4)
Blade lenght: 4.5"
Blade thickness: .125"
Overall Length: 9.25"
handle material: Oak
sheath material: full grain leather
Hardness HRC: 60
steel: N690
Price: 140USD Shipped
5)
Blade lenght: 4.3"
Blade thickness: .125"
Overall Length: 9.05"
handle material: Coyote micarte, ss pins
sheath material: full grain leather
Hardness HRC: 60
steel: N690
Price: 140USD Shipped
6)
Blade lenght: 3.54"
Blade thickness: .118"
Overall Length: 8.25"
handle material: micarta, stainless steel pins
sheath material: Combination of black and coyote Kydex + Tek-Lok
Hardness HRC: 60
blade material: K110
Price: 135$ shipped
7)
Blade lenght: 2.75"
Blade thickness: .118"
Overall Length: 6.3"
handle material: G10, Carbon pin, brass ring
sheath material: Black and green combination kydex
Hardness HRC: 60
Blade material: N690
Price: 115$ shipped (only green available)

1)
Blade lenght: 3.93"
Blade thickness: .14"
Overall Length: 8.25"
handle material: Alder wood +g10
sheath material: full grain leather
Hardness HRC: 60
steel: D2
weight: 160g
Price: 125USD Shipped
2)
Blade lenght: 3.93"
Blade thickness: .145"
Overall Length: 8.25"
handle material: Alder wood +g10
sheath material: full grain leather
Hardness HRC: 60
steel: DF2
weight: 149g
Price: 125USD Shipped
3)
Blade lenght: 3.15"
Blade thickness: .118"
Overall Length: 6.5"
handle material: Oak
sheath material: full grain leather
Hardness HRC: 60
steel: D2
weight: 104g
Price: 110USD Shipped
4)
Blade lenght: 4.5"
Blade thickness: .125"
Overall Length: 9.25"
handle material: Oak
sheath material: full grain leather
Hardness HRC: 60
steel: N690
Price: 140USD Shipped
5)
Blade lenght: 4.3"
Blade thickness: .125"
Overall Length: 9.05"
handle material: Coyote micarte, ss pins
sheath material: full grain leather
Hardness HRC: 60
steel: N690
Price: 140USD Shipped
6)
Blade lenght: 3.54"
Blade thickness: .118"
Overall Length: 8.25"
handle material: micarta, stainless steel pins
sheath material: Combination of black and coyote Kydex + Tek-Lok
Hardness HRC: 60
blade material: K110
Price: 135$ shipped
7)
Blade lenght: 2.75"
Blade thickness: .118"
Overall Length: 6.3"
handle material: G10, Carbon pin, brass ring
sheath material: Black and green combination kydex
Hardness HRC: 60
Blade material: N690
Price: 115$ shipped (only green available)