KK Impact Tools

KO-KEN impact sockets

Freer Tool & Supply is your authorized distributor for the complete line of Ko-Ken impact sockets, extensions, universal joints, and accessories. Every Ko-Ken impact tool is manufactured from high-grade chrome molybdenum steel with specialized heat treatment to absorb impact forces without cracking or shattering. Professional mechanics, automotive technicians, and industrial maintenance teams trust Ko-Ken impact tools for reliability in high-torque applications.


Ko-ken 12137E 1/4 Sq. Dr. Bit Holder  1/4 Hex Length 36mm

Ko-ken 12137E 1/4 Sq. Dr. Bit Holder 1/4 Hex Length 36mm

SKU: KK-12137E
MPN: 12137E

Regular price $25.92
Ko-ken 12139-1/4 1/4 Sq. Dr. Adaptor  1/4 For 1/4H Bit Length 25mm

Ko-ken 12139-1/4 1/4 Sq. Dr. Adaptor 1/4 For 1/4H Bit Length 25mm

SKU: KK-12139-1/4
MPN: 12139-1/4

Regular price $21.46
Ko-ken 13137E 3/8 Sq. Dr. Bit Holder  1/4 Hex Length 40mm

Ko-ken 13137E 3/8 Sq. Dr. Bit Holder 1/4 Hex Length 40mm

SKU: KK-13137E
MPN: 13137E

Regular price $25.29
Ko-ken 13137H 3/8 Sq. Dr. Bit Holder  1/4 Hex Length 42mm

Ko-ken 13137H 3/8 Sq. Dr. Bit Holder 1/4 Hex Length 42mm

SKU: KK-13137H
MPN: 13137H

Regular price $41.17
Ko-ken 13142-D6.3 3/8 Sq. Dr. Adaptor  1/4 For 1/4H Bit Length 45mm Locking Quick release

Ko-ken 13142-D6.3 3/8 Sq. Dr. Adaptor 1/4 For 1/4H Bit Length 45mm Locking Quick release

SKU: KK-13142-D6.3
MPN: 13142-D6.3

Regular price $60.82
Ko-ken 13142-F11.2 3/8 Sq. Dr. Bit Holder  7/16 For 183 series Length 46mm Locking Quick Release

Ko-ken 13142-F11.2 3/8 Sq. Dr. Bit Holder 7/16 For 183 series Length 46mm Locking Quick Release

SKU: KK-13142-F11.2
MPN: 13142-F11.2

Regular price $64.30
Ko-ken 13142-F6.3 3/8 Sq. Dr. Bit Holder  1/4 Hex Length 45mm Locking Quick Release

Ko-ken 13142-F6.3 3/8 Sq. Dr. Bit Holder 1/4 Hex Length 45mm Locking Quick Release

SKU: KK-13142-F6.3
MPN: 13142-F6.3

Regular price $65.11
Ko-ken 14137E 1/2 Sq. Dr. Bit Holder  1/4 Hex Length 48mm

Ko-ken 14137E 1/2 Sq. Dr. Bit Holder 1/4 Hex Length 48mm

SKU: KK-14137E
MPN: 14137E

Regular price $33.66
Ko-ken 14139-1/4 1/2 Sq. Dr. Adaptor  1/4 For 1/4H Bit Length 35mm

Ko-ken 14139-1/4 1/2 Sq. Dr. Adaptor 1/4 For 1/4H Bit Length 35mm

SKU: KK-14139-1/4
MPN: 14139-1/4

Regular price $25.49
Ko-ken 14140-5/16 1/2 Sq. Dr. Adaptor  5/16 For 5/16H Bit Length 35mm

Ko-ken 14140-5/16 1/2 Sq. Dr. Adaptor 5/16 For 5/16H Bit Length 35mm

SKU: KK-14140-5/16
MPN: 14140-5/16

Regular price $27.04
Ko-ken 14142-D6.3 1/2 Sq. Dr. Adaptor  1/4 For 1/4H Bit Length 55mm Locking Quick release

Ko-ken 14142-D6.3 1/2 Sq. Dr. Adaptor 1/4 For 1/4H Bit Length 55mm Locking Quick release

SKU: KK-14142-D6.3
MPN: 14142-D6.3

Regular price $64.36
Ko-ken 14142-F11.2 1/2 Sq. Dr. Bit Holder  7/16 For 183 series Length 46mm Locking Quick Release

Ko-ken 14142-F11.2 1/2 Sq. Dr. Bit Holder 7/16 For 183 series Length 46mm Locking Quick Release

SKU: KK-14142-F11.2
MPN: 14142-F11.2

Regular price $64.98
Ko-ken 14142-F6.3 1/2 Sq. Dr. Bit Holder  1/4 Hex Length 55mm Locking Quick Release

Ko-ken 14142-F6.3 1/2 Sq. Dr. Bit Holder 1/4 Hex Length 55mm Locking Quick Release

SKU: KK-14142-F6.3
MPN: 14142-F6.3

Regular price $63.64
Ko-ken 18108.32-19 1 Sq. Dr. Bit Socket  19mm Hex Length 105mm

Ko-ken 18108.32-19 1 Sq. Dr. Bit Socket 19mm Hex Length 105mm

SKU: KK-18108.32-19
MPN: 18108.32-19

Regular price $174.52
Ko-ken 18108.32-22 1 Sq. Dr. Bit Socket  22mm Hex Length 105mm

Ko-ken 18108.32-22 1 Sq. Dr. Bit Socket 22mm Hex Length 105mm

SKU: KK-18108.32-22
MPN: 18108.32-22

Regular price $174.52
Ko-ken 18108.32-24 1 Sq. Dr. Bit Socket  24mm Hex Length 105mm

Ko-ken 18108.32-24 1 Sq. Dr. Bit Socket 24mm Hex Length 105mm

SKU: KK-18108.32-24
MPN: 18108.32-24

Regular price $174.52
Ko-ken 18108.32-27 1 Sq. Dr. Bit Socket  27mm Hex Length 105mm

Ko-ken 18108.32-27 1 Sq. Dr. Bit Socket 27mm Hex Length 105mm

SKU: KK-18108.32-27
MPN: 18108.32-27

Regular price $174.52
Ko-ken 18108.32-30 1 Sq. Dr. Bit Socket  30mm Hex Length 105mm

Ko-ken 18108.32-30 1 Sq. Dr. Bit Socket 30mm Hex Length 105mm

SKU: KK-18108.32-30
MPN: 18108.32-30

Regular price $174.52
Ko-ken 18108.32-32 1 Sq. Dr. Bit Socket  32mm Hex Length 105mm

Ko-ken 18108.32-32 1 Sq. Dr. Bit Socket 32mm Hex Length 105mm

SKU: KK-18108.32-32
MPN: 18108.32-32

Regular price $174.52
Ko-ken 18108.32-36 1 Sq. Dr. Bit Socket  36mm Hex Length 105mm

Ko-ken 18108.32-36 1 Sq. Dr. Bit Socket 36mm Hex Length 105mm

SKU: KK-18108.32-36
MPN: 18108.32-36

Regular price $184.41