KK Hand Tools

Ko-Ken hand tools include professional-grade tools and accessories used for assembly, maintenance, and repair in automotive, industrial, and MRO environments (application dependent). Technicians and maintenance teams typically choose these tools for consistent fit on fasteners, durability under daily use, and better access in tight spaces. Because “hand tools” covers many categories, selecting the right item is mainly about matching the tool type and specifications to your fastener sizes, drive system, and working conditions (per listing).


Explore our full range of Ko-Ken hand tools, including:
Standard and deep sockets (metric and SAE)
Ratchets and breaker bars for high-torque applications
Extension bars for hard-to-reach fasteners
Specialty tools and adaptors for unique jobs


Ko-ken 3305M-24 3/8 Sq. Dr. Socket  24mm 12 point Length 65mm

Ko-ken 3305M-24 3/8 Sq. Dr. Socket 24mm 12 point Length 65mm

SKU: KK-3305M-24
MPN: 3305M-24

Sale price $16.40 List price $20.50
Save $4.10
Ko-ken 3305M-25 3/8 Sq. Dr. Socket  25mm 12 point Length 65mm

Ko-ken 3305M-25 3/8 Sq. Dr. Socket 25mm 12 point Length 65mm

SKU: KK-3305M-25
MPN: 3305M-25

Sale price $21.28 List price $26.59
Save $5.31
Ko-ken 3305M-26 3/8 Sq. Dr. Socket  26mm 12 point Length 65mm

Ko-ken 3305M-26 3/8 Sq. Dr. Socket 26mm 12 point Length 65mm

SKU: KK-3305M-26
MPN: 3305M-26

Sale price $21.28 List price $26.59
Save $5.31
Ko-ken 3305M-27 3/8 Sq. Dr. Socket  27mm 12 point Length 65mm

Ko-ken 3305M-27 3/8 Sq. Dr. Socket 27mm 12 point Length 65mm

SKU: KK-3305M-27
MPN: 3305M-27

Sale price $21.28 List price $26.59
Save $5.31
Ko-ken 3305M-5.5 3/8 Sq. Dr. Socket  5.5mm 12 point Length 55mm

Ko-ken 3305M-5.5 3/8 Sq. Dr. Socket 5.5mm 12 point Length 55mm

SKU: KK-3305M-5.5
MPN: 3305M-5.5

Sale price $9.03 List price $11.28
Save $2.25
Ko-ken 3305M-6 3/8 Sq. Dr. Socket  6mm 12 point Length 55mm

Ko-ken 3305M-6 3/8 Sq. Dr. Socket 6mm 12 point Length 55mm

SKU: KK-3305M-6
MPN: 3305M-6

Sale price $9.03 List price $11.28
Save $2.25
Ko-ken 3305M-7 3/8 Sq. Dr. Socket  7mm 12 point Length 55mm

Ko-ken 3305M-7 3/8 Sq. Dr. Socket 7mm 12 point Length 55mm

SKU: KK-3305M-7
MPN: 3305M-7

Sale price $9.03 List price $11.28
Save $2.25
Ko-ken 3305M-8 3/8 Sq. Dr. Socket  8mm 12 point Length 55mm

Ko-ken 3305M-8 3/8 Sq. Dr. Socket 8mm 12 point Length 55mm

SKU: KK-3305M-8
MPN: 3305M-8

Sale price $9.03 List price $11.28
Save $2.25
Ko-ken 3305M-8(L120) 3/8 Sq. Dr. Socket  8mm 12 point Length 120mm

Ko-ken 3305M-8(L120) 3/8 Sq. Dr. Socket 8mm 12 point Length 120mm

SKU: KK-3305M-8(L120)
MPN: 3305M-8(L120)

Sale price $34.30 List price $42.87
Save $8.57
Ko-ken 3305M-9 3/8 Sq. Dr. Socket  9mm 12 point Length 55mm

Ko-ken 3305M-9 3/8 Sq. Dr. Socket 9mm 12 point Length 55mm

SKU: KK-3305M-9
MPN: 3305M-9

Sale price $9.03 List price $11.28
Save $2.25
Ko-ken 3305M/4-L120 3/8 Sq. Dr. Socket set  8mm-14mm 12 point Length 120mm  4 pieces

Ko-ken 3305M/4-L120 3/8 Sq. Dr. Socket set 8mm-14mm 12 point Length 120mm 4 pieces

SKU: KK-3305M/4-L120
MPN: 3305M/4-L120

Sale price $142.69 List price $178.36
Save $35.67
Ko-ken 3305W-1/2 3/8 Sq. Dr. Socket Whitworth 1/2 12 point Length 65mm

Ko-ken 3305W-1/2 3/8 Sq. Dr. Socket Whitworth 1/2 12 point Length 65mm

SKU: KK-3305W-1/2
MPN: 3305W-1/2

Sale price $19.68 List price $24.60
Save $4.92
Ko-ken 3305W-1/4 3/8 Sq. Dr. Socket Whitworth 1/4 12 point Length 55mm

Ko-ken 3305W-1/4 3/8 Sq. Dr. Socket Whitworth 1/4 12 point Length 55mm

SKU: KK-3305W-1/4
MPN: 3305W-1/4

Sale price $13.15 List price $16.43
Save $3.28
Ko-ken 3305W-1/8 3/8 Sq. Dr. Socket Whitworth 1/8 12 point Length 55mm

Ko-ken 3305W-1/8 3/8 Sq. Dr. Socket Whitworth 1/8 12 point Length 55mm

SKU: KK-3305W-1/8
MPN: 3305W-1/8

Sale price $11.72 List price $14.64
Save $2.92
Ko-ken 3305W-3/16 3/8 Sq. Dr. Socket Whitworth 3/16 12 point Length 55mm

Ko-ken 3305W-3/16 3/8 Sq. Dr. Socket Whitworth 3/16 12 point Length 55mm

SKU: KK-3305W-3/16
MPN: 3305W-3/16

Sale price $11.72 List price $14.64
Save $2.92
Ko-ken 3305W-3/8 3/8 Sq. Dr. Socket Whitworth 3/8 12 point Length 55mm

Ko-ken 3305W-3/8 3/8 Sq. Dr. Socket Whitworth 3/8 12 point Length 55mm

SKU: KK-3305W-3/8
MPN: 3305W-3/8

Sale price $15.39 List price $19.23
Save $3.84
Ko-ken 3305W-5/16 3/8 Sq. Dr. Socket Whitworth 5/16 12 point Length 55mm

Ko-ken 3305W-5/16 3/8 Sq. Dr. Socket Whitworth 5/16 12 point Length 55mm

SKU: KK-3305W-5/16
MPN: 3305W-5/16

Sale price $13.15 List price $16.43
Save $3.28
Ko-ken 3305W-7/16 3/8 Sq. Dr. Socket Whitworth 7/16 12 point Length 65mm

Ko-ken 3305W-7/16 3/8 Sq. Dr. Socket Whitworth 7/16 12 point Length 65mm

SKU: KK-3305W-7/16
MPN: 3305W-7/16

Sale price $18.59 List price $23.23
Save $4.64
Ko-ken 3305W-9/16 3/8 Sq. Dr. Socket Whitworth 9/16 12 point Length 65mm

Ko-ken 3305W-9/16 3/8 Sq. Dr. Socket Whitworth 9/16 12 point Length 65mm

SKU: KK-3305W-9/16
MPN: 3305W-9/16

Sale price $26.89 List price $33.61
Save $6.72
Ko-ken 3305X-10 3/8 Sq. Dr. Socket  10mm 12 point Length 40mm

Ko-ken 3305X-10 3/8 Sq. Dr. Socket 10mm 12 point Length 40mm

SKU: KK-3305X-10
MPN: 3305X-10

Sale price $9.03 List price $11.28
Save $2.25
Ko-ken 3305X-11 3/8 Sq. Dr. Socket  11mm 12 point Length 40mm

Ko-ken 3305X-11 3/8 Sq. Dr. Socket 11mm 12 point Length 40mm

SKU: KK-3305X-11
MPN: 3305X-11

Sale price $9.03 List price $11.28
Save $2.25
Ko-ken 3305X-12 3/8 Sq. Dr. Socket  12mm 12 point Length 40mm

Ko-ken 3305X-12 3/8 Sq. Dr. Socket 12mm 12 point Length 40mm

SKU: KK-3305X-12
MPN: 3305X-12

Sale price $9.03 List price $11.28
Save $2.25
Ko-ken 3305X-13 3/8 Sq. Dr. Socket  13mm 12 point Length 40mm

Ko-ken 3305X-13 3/8 Sq. Dr. Socket 13mm 12 point Length 40mm

SKU: KK-3305X-13
MPN: 3305X-13

Sale price $9.60 List price $11.99
Save $2.39
Ko-ken 3305X-14 3/8 Sq. Dr. Socket  14mm 12 point Length 40mm

Ko-ken 3305X-14 3/8 Sq. Dr. Socket 14mm 12 point Length 40mm

SKU: KK-3305X-14
MPN: 3305X-14

Sale price $9.60 List price $11.99
Save $2.39