Model

Torque

Speed

Gear Train

Size

Weight

Bearing

HS-55

18 oz.

.14

Nylon

.89”x.45”x.94”

.28 oz.

Nylon

HS-56HB

17 oz.

.10

Karbonite

.88”x.45”x.94”

.37 oz.

Ball

HS-65HB

31 oz.

.11

Karbonite

.92”x.45”x.94”

.39 oz.

Ball

HS-65MG

31 oz.

.11

Metal

.92”x.45”x.94”

.44 oz.

Ball

Model

Torque

Speed

Gear Train

Size

Weight

Bearing

HS-85BB

49 oz.

.14

Nylon

1.1”x.5”x1.1”

.67 oz.

Ball

HS-85MG

49 oz.

.14

Metal

1.1”x.5”x1.1”

.77 oz.

Ball

HS-325HB

51 oz.

.15

Karbonite

1.6”x.8”x1.4”

1.51 oz.

Ball

HS-635HB

83 oz.

.15

Karbonite

1.6”x.8”x1.5”

1.76 oz.

Ball

HS-6635HB

83 oz.

.15

Karbonite

1.6”x.8”x1.5”

1.76 oz.

Ball

Model

Torque

Speed

Gear Train

Size

Weight

Bearing

HS-6965HB

111 oz.

.08

Karbonite

1.6”x.8”x1.5”

1.83 oz.

Ball

HS-6975HB

144 oz.

.10

Karbonite

1.6”x.8”x1.5”

1.83 oz.

Ball

HS-5955TG

333 oz.

.15

Titanium

1.6”x.8”x1.5”

2.18 oz.

Ball