What is puck in Ice Hockey?

Material: Vulcanised rubber, solid black.; Diameter: 7.62 cm (3 in).; Thickness: 2.54 cm (1 in).

Section 2: Equipment

Maximum shaft length: 163 cm (64 in) from the heel of the blade to the end of the shaft.
Blade length: 25–32 cm (9.8–12.6 in).
Blade width: 5–7.5 cm (2–3 in).
Blade curvature: Maximum 1.5 cm (0.59 in) measured from a straight line between the toe and heel of the blade.
Goalkeeper stick: Wider blade permitted — maximum width 9 cm (3.5 in) for the lower 71 cm (28 in) of the shaft.
Material: Wood, composite, or combination. No sharp edges or dangerous protrusions permitted (Rule 32, IIHF).

Helmet: IIHF-approved helmet with full face protection (cage or full visor) mandatory for all skaters. Chin strap must be fastened at all times on ice.
Body protection: Shoulder pads, elbow pads, hockey gloves, shin guards, hockey pants (breezers), and athletic cup/jock. All protective equipment must be worn under the jersey.
Neck guard: Recommended for skaters, mandatory for goalkeepers.
Mouthguard: Recommended but not mandatory under IIHF rules.

Leg pads: Maximum width 28 cm (11 in). Maximum length measured from centre of the knee to the boot: proportional to the goalkeeper's body. No rigid external attachments that extend the blocking surface beyond pad dimensions.
Catching glove (trapper): Maximum width 23 cm (9 in) measured across the widest point. Maximum length 41 cm (16 in).
Blocker: Flat rectangular pad attached to the stick hand. Maximum dimensions: 28 cm × 38 cm (11 in × 15 in).
Chest and arm protector: Must not exceed the goalkeeper's body contour by more than specified tolerances when arms are at sides.
Mask: Full-face mask/helmet combination mandatory. Must meet IIHF certification standards for puck impact resistance.

Material: Vulcanised rubber, solid black.
Diameter: 7.62 cm (3 in).
Thickness: 2.54 cm (1 in).
Weight: 156–170 g (5.5–6 oz).
Preparation: Pucks are frozen before use to reduce bouncing and ensure consistent play. Fresh frozen pucks are supplied throughout the game.

Maximum shaft length: 163 cm (64 in) from the heel of the blade to the end of the shaft.
Blade length: 25–32 cm (9.8–12.6 in).
Blade width: 5–7.5 cm (2–3 in).
Blade curvature: Maximum 1.5 cm (0.59 in) measured from a straight line between the toe and heel of the blade.
Goalkeeper stick: Wider blade permitted — maximum width 9 cm (3.5 in) for the lower 71 cm (28 in) of the shaft.
Material: Wood, composite, or combination. No sharp edges or dangerous protrusions permitted (Rule 32, IIHF).

Helmet: IIHF-approved helmet with full face protection (cage or full visor) mandatory for all skaters. Chin strap must be fastened at all times on ice.
Body protection: Shoulder pads, elbow pads, hockey gloves, shin guards, hockey pants (breezers), and athletic cup/jock. All protective equipment must be worn under the jersey.
Neck guard: Recommended for skaters, mandatory for goalkeepers.
Mouthguard: Recommended but not mandatory under IIHF rules.

Leg pads: Maximum width 28 cm (11 in). Maximum length measured from centre of the knee to the boot: proportional to the goalkeeper's body. No rigid external attachments that extend the blocking surface beyond pad dimensions.
Catching glove (trapper): Maximum width 23 cm (9 in) measured across the widest point. Maximum length 41 cm (16 in).
Blocker: Flat rectangular pad attached to the stick hand. Maximum dimensions: 28 cm × 38 cm (11 in × 15 in).
Chest and arm protector: Must not exceed the goalkeeper's body contour by more than specified tolerances when arms are at sides.
Mask: Full-face mask/helmet combination mandatory. Must meet IIHF certification standards for puck impact resistance.

Material: Vulcanised rubber, solid black.
Diameter: 7.62 cm (3 in).
Thickness: 2.54 cm (1 in).
Weight: 156–170 g (5.5–6 oz).
Preparation: Pucks are frozen before use to reduce bouncing and ensure consistent play. Fresh frozen pucks are supplied throughout the game.