T10 BLPT3810TP 1-55/64 3/4 35/64
T15 BLPT3815TP 1-55/64 3/4 35/64
T20 BLPT3820TP 1-55/64 3/4 35/64
T25 BLPT3825TP 1-55/64 3/4 35/64
T27 BLPT3827TP 1-55/64 3/4 35/64
T30 BLPT3830TP 1-55/64 3/4 35/64
T40 BLPT3840TP 1-31/32 3/4 19/32
T45 BLPT3845TP 1-31/32 3/4 19/32
T50 BLPT3850TP 1-31/32 3/4 19/32
T55 BLPT3855TP 1-31/32 3/4 5/8
TORX®/Tamper-Resistant, Long, Chrome (Blue-Point®) (3/8'')
T40 BLPTL3840TP 4-15/64 3/4 19/32
T45 BLPTL3845TP 4-15/64 3/4 19/32
T50 BLPTL3850TP 4-15/64 3/4 19/32
Hex/Standard, mm, Chrome (Blue-Point®) (3/8'')
6 BLPH386 50 19 15
7 BLPH387 50 19 15
8 BLPH388 50 19 15
9 BLPH389 50 19 16
10 BLPH3810 50 19 16
Hex/Long, mm, Chrome (Blue-Point®)
7 BLPHL387 110 19 15
8 BLPHL388 110 19 15
9 BLPHL389 110 19 16
10 BLPHL3810 110 19 16
Hex/Standard, Inches, Chrome (Blue-Point®) (3/8'')
7/32 BLPH38732 1-31/32 3/4 19/32
1/4 BLPH3814 1-31/32 3/4 19/32
5/16 BLPH38516 1-31/32 3/4 19/32
3/8 BLPH3838 1-31/32 3/4 5/8
Hex/Long, Inches, Chrome (Blue-Point®)
7/32 BLPHL38732 4-15/64 3/4 19/32
1/4 BLPHL3814 4-15/64 3/4 19/32
5/16 BLPHL38516 4-15/64 3/4 19/32
3/8 BLPHL3838 4-15/64 3/4 5/8
Spark Plug, Inches, Chrome (Blue-Point®)
BLPSPS3858 2-9/16 5/8
BLPSPS381316 2-1/4 13/16