Mine

const static hitbox_t head_hitboxes[] =
{
    // stand               crouch         prone              stand moving      crouch moving    hitbox size (x,y,z)
 { { 0.0, 0.0, 0.0}, { 0.0, 0.0, 0.0}, { 0.0,  0.0, 0.0}, { 0.0,  0.0, 0.0}, { 0.0,  0.0, 0.0}, { 0.0, 0.0, 0.0}, },	// OFF
  { { -1.5, 0.5, 4.47}, { -1.5, 0.5, 4.47}, { -1.5, 0.5, 4.47}, { -1.5, 0.5, 4.47}, { -1.5, 0.5, 4.47}, {10.0,10.0,11.0}, }, // ETMAIN
 { { 3.0, 0.0, 6.5}, { 3.0,-0.5, 6.0}, { 1.0,  0.0, 7.0}, {-5.0, -1.0, 6.5}, { 1.0,  3.0, 4.5}, {12.0,12.0,12.0}, },	// ETPUB FIXED
 { { 0.3,-0.6, 7.5}, { 0.0, 0.6, 7.8}, { 1.5, -1.0, 7.0}, { 0.0,  0.0, 6.5}, { 0.9,  0.7, 6.8}, {12.5,12.5,12.0}, },	// ETPRO b_realhead 1
 { { 0.5, 0.0, 6.5}, { 0.5, 0.0, 6.5}, { 0.5,  0.0, 6.5}, { 0.5,  0.0, 6.5}, { 0.5,  0.0, 6.5}, {12.0,12.0,12.0}, },	// GENERIC REALISTIC

};